| 2026 | Cook Out 400 | Kyle Busch | Richard Childress Racing | In race | Tire violation on Lap 88 at Martinsville; accelerated from pit box hitting loose tire that struck Connor Zilisch's No. 88. Sent to rear of field. | — | — |
| 2026 | Goodyear 400 | Carson Hocevar | Spire Motorsports | Pre race | Sent to rear at Darlington for unapproved adjustment; replaced upper control arm | — | — |
| 2026 | Pennzoil 400 | Team penalty | Big Machine Racing | Safety | Ballast fell from Patrick Staropoli's car during Las Vegas race. Crew chief Patrick Donahue, car chief Dillon Bassett, and engineer Morgan Olsen suspended four races. | — | — |
| 2026 | Pennzoil 400 | Austin Cindric | Team Penske | Pre race | Failed pre-race inspection twice at Las Vegas Motor Speedway; car chief ejected, pit selection forfeited | — | — |
| 2026 | Pennzoil 400 | William Byron | Hendrick Motorsports | Pre race | Failed pre-race inspection twice at Las Vegas Motor Speedway; car chief ejected, pit selection forfeited | — | — |
| 2026 | Pennzoil 400 | Ty Dillon | Kaulig Racing | Pre race | Failed pre-race inspection twice at Las Vegas Motor Speedway; car chief ejected, pit selection forfeited | — | — |
| 2026 | Pennzoil 400 | A.J. Allmendinger | Kaulig Racing | Pre race | Failed pre-race inspection twice at Las Vegas Motor Speedway; car chief ejected, pit selection forfeited | — | — |
| 2026 | DuraMAX Grand Prix | Ross Chastain | Trackhouse Racing | Safety | Right-rear tire detached under green on Lap 75 at COTA; two-lap race penalty assessed. Crew members Kenneth Pozega (rear-tire changer) and Josh Appleby (jackman) suspended two races. | — | — |
| 2026 | Autotrader 400 | Austin Dillon | Richard Childress Racing | Pre race | Failed pre-race inspection twice at EchoPark Speedway; car chief Ryan Chism ejected, pit selection forfeited | — | — |
| 2026 | Autotrader 400 | B.J. McLeod | Live Fast Motorsports | Pre race | Failed pre-race inspection twice at EchoPark Speedway; car chief Ryan Henderson ejected, pit selection forfeited | — | — |
| 2026 | Daytona 500 | Anthony Alfredo | Beard Motorsports | Technical | Disqualified after Duel 2 post-race inspection; transaxle cooling hose loose and driver cooling hose not attached properly. Removed from Daytona 500 field. | — | — |
| 2025 | Kansas | Carson Hocevar | Spire Motorsports | Behavioral | Behavioral penalty at Kansas Speedway | $50,000 | — |
| 2025 | Bristol | Denny Hamlin | Joe Gibbs Racing | Safety | Loose wheel at Bristol Motor Speedway; crew members Austin Maloney (front-tire changer) and Joel Bouagnon (jack) suspended two races | — | — |
| 2025 | Daytona | Denny Hamlin | Joe Gibbs Racing | Technical L2 | Engine inspection violation; TRD tore down and rebuilt a race-winning engine before NASCAR inspection | $100,000 | -75 |
| 2025 | Sonoma | Cody Ware | Rick Ware Racing | Safety | Loss or separation of improperly installed tire/wheel at Sonoma; crew members Marquill Osborne and De'Quan Hampton suspended two races | — | — |
| 2025 | Kansas | Chris Buescher | RFK Racing | Post race L1 | Front bumper cover violation at Kansas Speedway; vehicle did not meet overall assembled vehicle rules | $75,000 | -60 |
| 2025 | Talladega | Joey Logano | Team Penske | Post race | Disqualified after post-race inspection at Talladega; rear spoiler violation | — | — |
| 2025 | Talladega | Ryan Preece | RFK Racing | Post race | Disqualified after post-race inspection at Talladega; rear spoiler violation | — | — |
| 2025 | Las Vegas | Kyle Busch | Richard Childress Racing | Safety | Loose wheel at Las Vegas Motor Speedway; crew members Shiloh Windsor (rear changer) and Joseph Moser (jackman) suspended two races | — | — |
| 2025 | Las Vegas | Chase Briscoe | Joe Gibbs Racing | Safety | Loose wheel at Las Vegas Motor Speedway; crew members Daniel Smith (rear changer) and Caleb Dirks (jackman) suspended two races | — | — |
| 2025 | COTA | Austin Cindric | Team Penske | Behavioral | Intentionally spinning Ty Dillon at Circuit of the Americas | $50,000 | -50 |
| 2025 | COTA | Kyle Larson | Hendrick Motorsports | Safety | Loose wheel at Circuit of the Americas; crew members Brandon Johnson (jackman) and Blaine Anderson (front tire changer) suspended two races | — | — |
| 2025 | Daytona 500 | Chase Briscoe | Joe Gibbs Racing | Post race L2 | Modification of single-source supplied spoiler base plate at Daytona 500 | $100,000 | -100 |
| 2024 | Martinsville | Joey Logano | Team Penske | In race | Intentional manipulation of race finish; worked with teammate to manipulate outcome of Martinsville playoff race | — | — |
| 2024 | Homestead-Miami | Noah Gragson | Stewart-Haas Racing | Pre race L1 | Failed pre-race inspection at Homestead-Miami; body template violation on right side | $50,000 | — |
| 2024 | Martinsville (NXS) | Sam Mayer | JR Motorsports | Behavioral | Aggressive driving in Xfinity Series at Martinsville; intentional contact with competitor under caution | $35,000 | — |
| 2024 | Talladega | Chris Buescher | RFK Racing | Post race L2 | Post-race inspection failure at Talladega; rear window brace modification exceeded tolerances | $100,000 | — |
| 2024 | Talladega (CWT) | Ty Majeski | ThorSport Racing | Behavioral | Aggressive driving in Truck Series at Talladega; reckless blocking that triggered multicar wreck | $25,000 | — |
| 2024 | Kansas | William Byron | Hendrick Motorsports | Post race L1 | Post-race inspection failure at Kansas; vehicle ride height below minimum specification | $50,000 | — |
| 2024 | Texas | Chase Elliott | Hendrick Motorsports | Safety | Loose wheel penalty; left rear tire came off during Texas race | $100,000 | — |
| 2024 | Watkins Glen | Austin Cindric | Team Penske | Pre race L1 | Failed pre-race inspection; vehicle height did not meet minimum requirements | $50,000 | — |
| 2024 | Darlington | Ryan Blaney | Team Penske | Safety | Loose wheel penalty; right front tire separated during Southern 500 at Darlington | $100,000 | — |
| 2024 | Michigan | Denny Hamlin | Joe Gibbs Racing | Pre race L1 | Failed pre-race inspection at Michigan; front splitter did not meet specifications | $50,000 | — |
| 2024 | Richmond | Martin Truex Jr. | Joe Gibbs Racing | Pre race L1 | Failed pre-race inspection at Richmond; body template nonconformance | $50,000 | — |
| 2024 | Pocono | Kyle Larson | Hendrick Motorsports | Safety | Loose wheel during Pocono race; right front tire came off on track | $100,000 | — |
| 2024 | Chicago Street Race | Denny Hamlin | Joe Gibbs Racing | Post race L2 | Post-race inspection failure; roof flap issue discovered after Chicago Street Race | $100,000 | -75 |
| 2024 | New Hampshire | Ross Chastain | Trackhouse Racing | In race | Reckless driving; multiple avoidable contact incidents during race | $50,000 | — |
| 2024 | Nashville | Corey LaJoie | Spire Motorsports | Behavioral | Actions detrimental to stock car racing; post-race altercation on pit road | $50,000 | — |
| 2024 | Sonoma | Kyle Larson | Hendrick Motorsports | Post race L2 | Post-race inspection failure at Sonoma; single-source component modification discovered | $100,000 | — |
| 2024 | Coca-Cola 600 | Alex Bowman | Hendrick Motorsports | Post race L2 | Post-race inspection failure; car was found underweight after Charlotte race | $100,000 | -75 |
| 2024 | Charlotte (NXS) | Cole Custer | Stewart-Haas Racing | Post race L2 | Post-race inspection failure in Xfinity Series at Charlotte; single-source component modification | $75,000 | — |
| 2024 | Kansas (CWT) | Christian Eckes | McAnally-Hilgemann Racing | Post race L1 | Post-race inspection failure in Truck Series at Kansas; rear suspension out of specification | $25,000 | — |
| 2024 | Bristol Dirt (CWT) | Corey Heim | ThorSport Racing | Pre race L1 | Failed pre-race inspection in Truck Series at Bristol Dirt; body did not meet specifications | $25,000 | — |
| 2024 | Bristol | Bubba Wallace | 23XI Racing | Behavioral | Actions detrimental to stock car racing; post-race confrontation with competitor on pit road at Bristol | $50,000 | — |
| 2024 | Phoenix | Tyler Reddick | 23XI Racing | Pre race L1 | Failed pre-race inspection twice at Phoenix; front splitter did not meet specifications | $50,000 | — |
| 2024 | Las Vegas (NXS) | Chandler Smith | Joe Gibbs Racing | Post race L1 | Post-race inspection failure in Xfinity Series at Las Vegas; vehicle ride height below minimum | $50,000 | — |
| 2024 | Atlanta | Daniel Suarez | Trackhouse Racing | Pre race L1 | Failed pre-race inspection at Atlanta; body template nonconformance on front fascia | $50,000 | — |
| 2024 | Daytona 500 | Brad Keselowski | RFK Racing | Pre race L1 | Failed pre-race inspection twice; body template nonconformance | $50,000 | — |
| 2024 | Daytona (NXS) | Justin Allgaier | JR Motorsports | Post race L1 | Post-race inspection failure in Xfinity Series at Daytona; rear bumper cover out of specification | $50,000 | — |
| 2023 | Martinsville (NXS) | Ty Gibbs | Joe Gibbs Racing | Behavioral | Aggressive driving; intentional contact with another competitor during Xfinity race at Martinsville | $50,000 | — |
| 2023 | Talladega (CWT) | Taylor Gray | David Gilliland Racing | Behavioral | Aggressive driving in Truck Series at Talladega; reckless driving resulting in multicar incident | $25,000 | — |
| 2023 | Watkins Glen | Chris Buescher | RFK Racing | Pre race L1 | Failed pre-race inspection at Watkins Glen; front fascia template violation | $50,000 | — |
| 2023 | Bristol | Austin Dillon | Richard Childress Racing | Pre race L1 | Failed pre-race inspection at Bristol Night Race; vehicle did not meet body template specifications | $50,000 | — |
| 2023 | Kansas | Kyle Larson | Hendrick Motorsports | Post race L2 | Post-race inspection failure at Kansas; single-source component modification found during post-race teardown | $100,000 | -25 |
| 2023 | Richmond | Brad Keselowski | RFK Racing | Post race L2 | Post-race inspection failure at Richmond; rear spoiler angle exceeded specification | $100,000 | — |
| 2023 | Pocono | Kevin Harvick | Stewart-Haas Racing | Pre race L1 | Failed pre-race inspection at Pocono; body template nonconformance on right side | $50,000 | — |
| 2023 | Chicago Street Race | Shane van Gisbergen | Trackhouse Racing | Pre race L1 | Failed pre-race inspection at inaugural Chicago Street Race; vehicle height violation | $50,000 | — |
| 2023 | Nashville | Chase Elliott | Hendrick Motorsports | Safety | Loose wheel penalty; wheel separated from vehicle during Nashville race | $100,000 | — |
| 2023 | Portland (NXS) | Parker Kligerman | Big Machine Racing | Post race L1 | Post-race inspection failure in Xfinity Series race at Portland; vehicle did not meet specifications | $50,000 | — |
| 2023 | Charlotte | Ryan Blaney | Team Penske | Safety | Loose wheel penalty; tire separated during Coca-Cola 600 at Charlotte Motor Speedway | $100,000 | — |
| 2023 | Charlotte (NXS) | John Hunter Nemechek | Joe Gibbs Racing | Post race L1 | Post-race inspection failure in Xfinity Series at Charlotte; rear suspension component out of tolerance | $50,000 | — |
| 2023 | Darlington | Denny Hamlin | Joe Gibbs Racing | Post race L2 | Post-race inspection failure at Darlington; rear window brace found out of tolerance after Throwback 400 | $100,000 | — |
| 2023 | Kansas (CWT) | Ty Majeski | ThorSport Racing | Post race L1 | Post-race inspection failure in Truck Series race at Kansas; rear suspension out of specification | $25,000 | — |
| 2023 | Dover | Joey Logano | Team Penske | Post race L2 | Post-race inspection failure at Dover; single-source component modification discovered during teardown | $100,000 | -25 |
| 2023 | Talladega | Ryan Preece | Stewart-Haas Racing | Safety | Loose wheel penalty; right rear tire separated during Talladega race | $100,000 | — |
| 2023 | Martinsville | Kyle Busch | Richard Childress Racing | Behavioral | Actions detrimental to stock car racing; altercation with Ricky Stenhouse Jr. after race | $50,000 | — |
| 2023 | Bristol Dirt (CWT) | Ben Rhodes | ThorSport Racing | Pre race L1 | Failed pre-race inspection in Truck Series at Bristol Dirt; body did not meet specifications | $25,000 | — |
| 2023 | Texas Motor Speedway | William Byron | Hendrick Motorsports | Pre race L1 | Failed pre-race inspection twice; body template violations | $50,000 | — |
| 2023 | Atlanta | Daniel Suarez | Trackhouse Racing | Safety | Loose wheel penalty; wheel came off during Atlanta race under new Next Gen wheel rules | $100,000 | — |
| 2023 | Phoenix | Tyler Reddick | 23XI Racing | Post race L2 | Post-race inspection failure at Phoenix; single-source component modification discovered | $100,000 | -25 |
| 2023 | Las Vegas | Ross Chastain | Trackhouse Racing | Pre race L1 | Failed pre-race inspection; vehicle did not pass through templates | $50,000 | — |
| 2023 | Auto Club | Joey Logano | Team Penske | Pre race L1 | Failed pre-race inspection at Auto Club Speedway; body template nonconformance | $50,000 | — |
| 2023 | Daytona 500 | Kyle Busch | Richard Childress Racing | Post race L2 | Post-race inspection failure at Daytona 500; rear window nonconformance | $100,000 | — |
| 2023 | Daytona (NXS) | Austin Hill | Richard Childress Racing | Post race L1 | Post-race inspection failure in Xfinity Series at Daytona; vehicle height violation | $50,000 | — |
| 2023 | Season-long | Noah Gragson | Legacy Motor Club | Behavioral | Suspended indefinitely for liking insensitive social media post; violation of NASCAR Member Conduct Guidelines | — | — |
| 2022 | Martinsville (NXS) | Ty Gibbs | Joe Gibbs Racing | Behavioral | Wrecked teammate Brandon Jones on last lap to win Martinsville Xfinity race; no official NASCAR penalty but widely criticized incident | — | — |
| 2022 | Las Vegas | Bubba Wallace | 23XI Racing | Behavioral | Intentional contact with Kyle Larson under caution at Las Vegas Motor Speedway; suspended one race | $50,000 | — |
| 2022 | Watkins Glen | Chase Elliott | Hendrick Motorsports | Pre race L1 | Failed pre-race inspection at Watkins Glen; front splitter height below minimum specification | $50,000 | — |
| 2022 | Pocono | Denny Hamlin | Joe Gibbs Racing | Post race L2 | Disqualified from Pocono race win; car failed post-race inspection with unapproved modifications to front fascia | — | — |
| 2022 | Pocono | Kyle Busch | Joe Gibbs Racing | Post race L2 | Disqualified from second place at Pocono; car failed post-race inspection with unapproved modifications to front fascia | — | — |
| 2022 | New Hampshire | Christopher Bell | Joe Gibbs Racing | Post race L1 | Post-race inspection failure at New Hampshire; rear spoiler deviation from specification | $50,000 | — |
| 2022 | Road America (NXS) | Noah Gragson | JR Motorsports | Behavioral | Intentional wrecking of Sage Karam under caution at Road America in Xfinity Series; suspended one race | $50,000 | — |
| 2022 | Nashville | Ross Chastain | Trackhouse Racing | Safety | Loose wheel penalty; wheel separated during Nashville race amid 2022 loose wheel epidemic | $100,000 | — |
| 2022 | Knoxville (CWT) | Kyle Busch | Kyle Busch Motorsports | Behavioral | Actions detrimental to stock car racing; post-race altercation in Truck Series after Knoxville race | $50,000 | — |
| 2022 | Sonoma | Daniel Suarez | Trackhouse Racing | Post race L2 | Post-race inspection failure at Sonoma after winning race; single-source component modification found | $100,000 | — |
| 2022 | Gateway | Kurt Busch | 23XI Racing | Safety | Loose wheel penalty; tire came off vehicle during World Wide Technology Raceway event | $100,000 | — |
| 2022 | Charlotte | William Byron | Hendrick Motorsports | Safety | Loose wheel penalty; left rear tire came off during Coca-Cola 600 | $100,000 | — |
| 2022 | Texas (CWT) | Zane Smith | Front Row Motorsports | Post race L1 | Post-race inspection failure in Truck Series at Texas; rear suspension out of specification | $25,000 | — |
| 2022 | Darlington | Martin Truex Jr. | Joe Gibbs Racing | Safety | Loose wheel penalty; wheel detached from vehicle during Darlington race | $100,000 | — |
| 2022 | Darlington (CWT) | John Hunter Nemechek | Kyle Busch Motorsports | Post race L1 | Post-race inspection failure in Truck Series at Darlington; vehicle height violation | $25,000 | — |
| 2022 | Talladega | Aric Almirola | Stewart-Haas Racing | Safety | Loose wheel penalty; right front separated during Talladega race amid Next Gen wheel epidemic | $100,000 | — |
| 2022 | Martinsville | William Byron | Hendrick Motorsports | Behavioral | Intentional contact with Denny Hamlin under caution at Martinsville; spun Hamlin deliberately | $50,000 | — |
| 2022 | Texas Motor Speedway | Kyle Larson | Hendrick Motorsports | Pre race L1 | Failed pre-race inspection; Next Gen car body panel nonconformance | $50,000 | — |
| 2022 | Texas | Christopher Bell | Joe Gibbs Racing | Safety | Loose wheel penalty; right front tire separated during Texas race under new Next Gen single lug nut rules | $100,000 | — |
| 2022 | Richmond | Denny Hamlin | Joe Gibbs Racing | Behavioral | Intentional wrecking of Chase Elliott at Richmond; retaliation for on-track incident | $25,000 | — |
| 2022 | Atlanta | Chase Elliott | Hendrick Motorsports | Pre race L1 | Failed pre-race inspection twice; Next Gen car did not meet specifications | $50,000 | — |
| 2022 | Atlanta (NXS) | Josh Berry | JR Motorsports | Post race L1 | Post-race inspection failure in Xfinity Series at Atlanta; vehicle height violation | $50,000 | — |
| 2022 | Phoenix | Austin Dillon | Richard Childress Racing | Safety | Loose wheel penalty; right rear separated during Phoenix race, one of earliest Next Gen loose wheel incidents | $100,000 | — |
| 2022 | Phoenix | Joey Logano | Team Penske | Post race L1 | Post-race inspection failure at Phoenix; front fascia did not meet Next Gen specifications | $50,000 | — |
| 2022 | Fontana | Brad Keselowski | RFK Racing | Technical L3 | Modified vendor-supplied Next Gen parts; unapproved modifications to car body discovered during post-race inspection. One of the most severe penalties in modern NASCAR history | $100,000 | -100 |
| 2022 | Auto Club | Ryan Blaney | Team Penske | Safety | Loose wheel penalty; wheel separated during Auto Club Speedway race in first season of Next Gen car | $100,000 | — |
| 2022 | Daytona 500 | Michael McDowell | Front Row Motorsports | Pre race L1 | Failed pre-race inspection at Daytona 500; body template nonconformance on Next Gen car | $50,000 | — |
| 2021 | Martinsville | Brad Keselowski | Team Penske | Behavioral | Aggressive driving under caution; contact with Chase Elliott during Martinsville playoff race | $50,000 | — |
| 2021 | Martinsville (NXS) | Ty Gibbs | Joe Gibbs Racing | Behavioral | Aggressive driving after checkered flag; intentional contact with Brandon Jones after Xfinity race at Martinsville | $25,000 | — |
| 2021 | Texas | Alex Bowman | Hendrick Motorsports | Pre race L1 | Failed pre-race inspection at Texas Motor Speedway; body template violation on right side | $50,000 | — |
| 2021 | Bristol Night Race | Chase Elliott | Hendrick Motorsports | Behavioral | Slowed on track to block Kevin Harvick at Bristol Night Race; actions detrimental to racing | $25,000 | — |
| 2021 | Darlington | Kevin Harvick | Stewart-Haas Racing | Behavioral | Aggressive driving; intentional contact with Chase Elliott at Darlington in retaliation for Bristol incident | $50,000 | — |
| 2021 | Pocono | Kevin Harvick | Stewart-Haas Racing | Pre race L1 | Failed pre-race inspection at Pocono; front splitter did not meet specifications | $50,000 | — |
| 2021 | Nashville | Kyle Busch | Joe Gibbs Racing | Post race L1 | Post-race inspection failure at Nashville; vehicle ride height below minimum specification | $50,000 | — |
| 2021 | All-Star Race | Chase Elliott | Hendrick Motorsports | Technical | Illegal modification to roof area discovered during All-Star Race inspection at Texas Motor Speedway | $25,000 | — |
| 2021 | Charlotte | Denny Hamlin | Joe Gibbs Racing | Post race L2 | Post-race inspection failure at Coca-Cola 600; car found with unapproved windshield brace modification | $100,000 | — |
| 2021 | Darlington (NXS) | Noah Gragson | JR Motorsports | Behavioral | Aggressive driving in Xfinity Series at Darlington; intentional contact with competitor on cool-down lap | $35,000 | — |
| 2021 | Talladega | Christopher Bell | Joe Gibbs Racing | Pre race L1 | Failed pre-race inspection twice; body template nonconformance at Talladega | $50,000 | — |
| 2021 | Richmond | Aric Almirola | Stewart-Haas Racing | Post race L2 | Post-race inspection failure at Richmond; rear spoiler wickerbill modification exceeded tolerance | $100,000 | — |
| 2021 | Bristol Dirt Race | Joey Logano | Team Penske | Post race L1 | Post-race inspection failure; rear suspension component did not meet specifications | $50,000 | — |
| 2021 | Bristol Dirt (CWT) | Raphael Lessard | Kyle Busch Motorsports | Pre race L1 | Failed pre-race inspection in Truck Series at Bristol Dirt; body template nonconformance | $15,000 | — |
| 2021 | Atlanta | Ryan Blaney | Team Penske | Post race L2 | Post-race inspection failure at Atlanta; rear window brace modification found out of specification | $100,000 | — |
| 2021 | Atlanta (NXS) | Jeb Burton | Kaulig Racing | Post race L1 | Post-race inspection failure in Xfinity Series at Atlanta; rear suspension out of specification | $50,000 | — |
| 2021 | Phoenix (NXS) | Austin Cindric | Team Penske | Pre race L1 | Failed pre-race inspection in Xfinity Series at Phoenix; front fascia template nonconformance | $25,000 | — |
| 2021 | Las Vegas (CWT) | John Hunter Nemechek | Kyle Busch Motorsports | Post race L1 | Post-race inspection failure in Truck Series at Las Vegas; vehicle height below minimum | $25,000 | — |
| 2021 | Daytona Road Course | Kyle Busch | Joe Gibbs Racing | Behavioral | Actions detrimental to stock car racing; threw helmet at Alex Bowman's car on pit road after being wrecked | $50,000 | — |
| 2021 | Daytona Road Course (NXS) | Daniel Hemric | Joe Gibbs Racing | Post race L1 | Post-race inspection failure in Xfinity Series at Daytona Road Course; rear bumper out of specification | $50,000 | — |
| 2021 | Daytona 500 | Brad Keselowski | Team Penske | Pre race L1 | Failed pre-race inspection at Daytona 500; body template nonconformance | $50,000 | — |
| 2021 | Daytona (CWT) | Ben Rhodes | ThorSport Racing | Post race L1 | Post-race inspection failure in Truck Series at Daytona after winning race; vehicle height violation | $25,000 | — |
| 2020 | Phoenix (CWT) | Sheldon Creed | GMS Racing | Pre race L1 | Failed pre-race inspection in Truck Series championship race at Phoenix; body template nonconformance | $25,000 | — |
| 2020 | Martinsville | Chase Elliott | Hendrick Motorsports | Post race L1 | Post-race inspection failure at Martinsville playoff race; minor rear suspension deviation | $50,000 | — |
| 2020 | Texas (NXS) | Austin Cindric | Team Penske | Post race L2 | Post-race inspection failure in Xfinity Series at Texas; single-source component modification found | $75,000 | — |
| 2020 | Las Vegas | Ryan Blaney | Team Penske | Pre race L1 | Failed pre-race inspection at Las Vegas; body template nonconformance on left side | $50,000 | — |
| 2020 | Richmond | Brad Keselowski | Team Penske | Post race L2 | Post-race inspection failure at Richmond; rear spoiler modification discovered out of specification | $100,000 | — |
| 2020 | Daytona Road Course (CWT) | Sheldon Creed | GMS Racing | Post race L1 | Post-race inspection failure in Truck Series at Daytona Road Course; rear suspension out of specification | $25,000 | — |
| 2020 | Kentucky | Cole Custer | Stewart-Haas Racing | Pre race L1 | Failed pre-race inspection at Kentucky Speedway; body template nonconformance | $50,000 | — |
| 2020 | Indianapolis | Martin Truex Jr. | Joe Gibbs Racing | Post race L2 | Post-race inspection failure at Indianapolis; rear window brace found with unapproved modification | $100,000 | — |
| 2020 | Pocono | Denny Hamlin | Joe Gibbs Racing | Pre race L1 | Failed pre-race inspection at Pocono; front splitter did not meet specifications | $50,000 | — |
| 2020 | Talladega | Alex Bowman | Hendrick Motorsports | Post race L2 | Post-race inspection failure at Talladega; rear window brace out of specification | $100,000 | — |
| 2020 | Homestead-Miami | Jimmie Johnson | Hendrick Motorsports | Safety | Crew member COVID-19 protocol violation; crew member tested positive during race weekend | $50,000 | — |
| 2020 | Homestead-Miami (NXS) | Riley Herbst | Joe Gibbs Racing | Safety | COVID-19 health protocol violation in Xfinity Series; crew member positive test affected team operations | $50,000 | — |
| 2020 | Bristol | Chase Elliott | Hendrick Motorsports | Post race L1 | Post-race inspection failure at Bristol; rear spoiler deviation from specification | $50,000 | — |
| 2020 | Charlotte | Austin Dillon | Richard Childress Racing | Safety | COVID-19 health protocol violation; attended social event in violation of NASCAR health and safety protocols | $50,000 | — |
| 2020 | Charlotte | Team penalty | Hendrick Motorsports | Safety | COVID-19 health protocol violation; seven crew members from four Hendrick teams violated social distancing protocols | $50,000 | — |
| 2020 | Darlington | Kyle Busch | Joe Gibbs Racing | Post race L1 | Post-race inspection failure at Darlington; rear suspension mount out of tolerance | $50,000 | — |
| 2020 | Darlington | Joey Logano | Team Penske | Pre race L1 | Failed pre-race inspection at Darlington return-to-racing event; body template nonconformance | $50,000 | — |
| 2020 | Darlington | Team penalty | Hendrick Motorsports | Safety | COVID-19 health protocol violation; crew members did not maintain required physical distancing during return-to-racing event at Darlington | $50,000 | — |
| 2020 | Daytona (NXS) | Noah Gragson | JR Motorsports | Behavioral | Aggressive driving in Xfinity Series at Daytona; caused multicar wreck with reckless block attempt | $35,000 | — |
| 2020 | Season-long | Kyle Larson | Chip Ganassi Racing | Behavioral | Used racial slur during iRacing live stream; indefinitely suspended by NASCAR and fired by Chip Ganassi Racing. Completed sensitivity training before reinstatement with Hendrick Motorsports in 2021 | — | — |
| 2020 | Season-long | Bubba Wallace | Richard Petty Motorsports | Behavioral | Actions detrimental to stock car racing; pushed Aric Almirola's car on pit road after contact during race | $50,000 | — |
| 2019 | Homestead-Miami | Denny Hamlin | Joe Gibbs Racing | Pre race L1 | Failed pre-race inspection at Homestead-Miami championship race; front splitter height below minimum | $50,000 | — |
| 2019 | Martinsville | Joey Logano | Team Penske | Post race L2 | Post-race inspection failure at Martinsville playoff race; rear window brace deviation from specification | $100,000 | — |
| 2019 | Charlotte Roval | Jimmie Johnson | Hendrick Motorsports | Post race L2 | Post-race inspection failure at Charlotte Roval; rear alignment shims found out of specification | $100,000 | — |
| 2019 | Indianapolis | Paul Menard | Wood Brothers Racing | Post race L1 | Post-race inspection failure at Indianapolis; vehicle ride height below minimum specification | $50,000 | — |
| 2019 | Bristol | Austin Dillon | Richard Childress Racing | Behavioral | Actions detrimental to stock car racing; aggressive post-race actions toward Ty Dillon after Bristol Night Race | $50,000 | — |
| 2019 | Watkins Glen | Chase Elliott | Hendrick Motorsports | Post race L1 | Post-race inspection failure at Watkins Glen after winning race; minor rear suspension deviation | $50,000 | — |
| 2019 | Sonoma | Martin Truex Jr. | Joe Gibbs Racing | Post race L1 | Post-race inspection failure at Sonoma after winning race; minor body deviation from specification | $50,000 | — |
| 2019 | Michigan | Brad Keselowski | Team Penske | Post race L2 | Post-race inspection failure at Michigan; rear window brace modification found out of specification | $100,000 | — |
| 2019 | Pocono | William Byron | Hendrick Motorsports | Pre race L1 | Failed pre-race inspection at Pocono; body template violation on right side panel | $50,000 | — |
| 2019 | Charlotte | Kyle Busch | Joe Gibbs Racing | Post race L2 | Post-race inspection failure at Coca-Cola 600 in Charlotte; wheel well modification exceeded tolerance | $100,000 | — |
| 2019 | Charlotte (NXS) | Christopher Bell | Joe Gibbs Racing | Post race L1 | Post-race inspection failure in Xfinity Series at Charlotte; rear suspension out of specification | $50,000 | — |
| 2019 | Kansas | Brad Keselowski | Team Penske | Pre race L1 | Failed pre-race inspection at Kansas; front fascia did not meet template specifications | $50,000 | — |
| 2019 | Dover | Kevin Harvick | Stewart-Haas Racing | Post race L2 | Post-race inspection failure at Dover; rear window did not meet specifications | $100,000 | — |
| 2019 | Talladega | Chase Elliott | Hendrick Motorsports | Pre race L1 | Failed pre-race inspection at Talladega; body template nonconformance | $50,000 | — |
| 2019 | Richmond | Denny Hamlin | Joe Gibbs Racing | Post race L2 | Post-race inspection failure at Richmond; rear spoiler wickerbill found with unapproved modification | $100,000 | — |
| 2019 | Bristol (NXS) | Kyle Busch | Joe Gibbs Racing | Behavioral | Aggressive post-race actions in Xfinity Series race at Bristol; confrontation with another competitor | $50,000 | — |
| 2019 | Texas | Aric Almirola | Stewart-Haas Racing | Post race L2 | Post-race inspection failure at Texas; rear spoiler modification found out of specification | $100,000 | — |
| 2019 | Texas (CWT) | Harrison Burton | Kyle Busch Motorsports | Pre race L1 | Failed pre-race inspection in Truck Series at Texas; body template nonconformance | $15,000 | — |
| 2019 | Las Vegas | Martin Truex Jr. | Joe Gibbs Racing | Pre race L1 | Failed pre-race inspection; body template nonconformance | $50,000 | — |
| 2019 | Las Vegas (CWT) | Kyle Busch | Kyle Busch Motorsports | Post race L1 | Post-race inspection failure in Truck Series at Las Vegas; vehicle did not meet height specifications | $25,000 | — |
| 2019 | Daytona 500 | Denny Hamlin | Joe Gibbs Racing | Post race L1 | Post-race inspection after winning Daytona 500; minor tire pressure violation found but no significant penalty assessed due to insufficient evidence of intentional modification | — | — |
| 2019 | Daytona (NXS) | Michael Annett | JR Motorsports | Post race L1 | Post-race inspection failure in Xfinity Series at Daytona after winning race; vehicle height violation | $50,000 | — |
| 2019 | Daytona (CWT) | Austin Hill | Hattori Racing Enterprises | Post race L1 | Post-race inspection failure in Truck Series at Daytona after winning race; vehicle height violation | $25,000 | — |
| 2018 | Homestead-Miami (CWT) | Noah Gragson | Kyle Busch Motorsports | Post race L1 | Post-race inspection failure in Truck Series championship race at Homestead; vehicle height violation | $25,000 | — |
| 2018 | Martinsville | Denny Hamlin | Joe Gibbs Racing | Behavioral | Aggressive driving at Martinsville; intentional contact with Chase Elliott in final laps of playoff race | $25,000 | — |
| 2018 | Dover | Martin Truex Jr. | Furniture Row Racing | Post race L1 | Post-race inspection failure at Dover; vehicle ride height below minimum after race | $50,000 | — |
| 2018 | Roval | Jimmie Johnson | Hendrick Motorsports | Behavioral | Aggressive driving at inaugural Charlotte Roval; contact with Martin Truex Jr. in final corner that resulted in both spinning | — | — |
| 2018 | Bristol | Denny Hamlin | Joe Gibbs Racing | Post race L2 | Post-race inspection failure at Bristol Night Race; rear spoiler angle exceeded specification | $75,000 | — |
| 2018 | Chicagoland | Brad Keselowski | Team Penske | Post race L2 | Post-race inspection failure at Chicagoland; rear spoiler modification found exceeding tolerance | $75,000 | — |
| 2018 | Sonoma | Martin Truex Jr. | Furniture Row Racing | Post race L2 | Post-race inspection failure at Sonoma; rear spoiler angle out of specification | $75,000 | — |
| 2018 | Pocono | Clint Bowyer | Stewart-Haas Racing | Pre race L1 | Failed pre-race inspection at Pocono; body template nonconformance on left side | $50,000 | — |
| 2018 | Charlotte | Kyle Busch | Joe Gibbs Racing | Post race L2 | Post-race inspection failure after winning Coca-Cola 600 at Charlotte; wheel well modification found, win was encumbered | $100,000 | — |
| 2018 | Charlotte (NXS) | Justin Allgaier | JR Motorsports | Post race L2 | Post-race inspection failure in Xfinity Series at Charlotte; unapproved body modification found | $75,000 | — |
| 2018 | Talladega | Joey Logano | Team Penske | Behavioral | Actions detrimental to stock car racing; post-race altercation with Kyle Busch after Talladega race | — | — |
| 2018 | Richmond | Joey Logano | Team Penske | Pre race L1 | Failed pre-race inspection at Richmond; front fascia template violation | $50,000 | — |
| 2018 | Richmond (NXS) | Cole Custer | Stewart-Haas Racing | Post race L1 | Post-race inspection failure in Xfinity Series at Richmond; rear suspension component out of tolerance | $25,000 | — |
| 2018 | Texas | Kevin Harvick | Stewart-Haas Racing | Post race L2 | Second post-race inspection failure of season at Texas; rear spoiler modification found, win was encumbered | $100,000 | — |
| 2018 | Texas (CWT) | Brett Moffitt | Hattori Racing Enterprises | Pre race L1 | Failed pre-race inspection in Truck Series at Texas; body template nonconformance | $15,000 | — |
| 2018 | Auto Club | Kevin Harvick | Stewart-Haas Racing | Post race L2 | Third post-race inspection failure of 2018 season at Auto Club Speedway; rear window modification found, win was encumbered | $100,000 | — |
| 2018 | Las Vegas | Kevin Harvick | Stewart-Haas Racing | Post race L2 | Post-race inspection failure after winning Las Vegas; rear window modifications found, win was encumbered | $100,000 | — |
| 2018 | Las Vegas (CWT) | Noah Gragson | Kyle Busch Motorsports | Behavioral | Aggressive driving in Truck Series at Las Vegas; intentional contact with another competitor after the checkered flag | $25,000 | — |
| 2018 | Daytona 500 | Ryan Blaney | Team Penske | Pre race L1 | Failed pre-race inspection; splitter and front fascia did not meet specifications | $50,000 | — |
| 2018 | Daytona (NXS) | Tyler Reddick | JR Motorsports | Post race L1 | Post-race inspection failure in Xfinity Series at Daytona; vehicle height violation | $25,000 | — |
| 2017 | Homestead-Miami | Brad Keselowski | Team Penske | Pre race L1 | Failed pre-race inspection at Homestead-Miami championship race; front fascia deviation | $50,000 | — |
| 2017 | Homestead-Miami (NXS) | William Byron | JR Motorsports | Pre race L1 | Failed pre-race inspection in Xfinity Series championship race at Homestead; front fascia nonconformance | $25,000 | — |
| 2017 | Martinsville (CWT) | Austin Cindric | Brad Keselowski Racing | Behavioral | Aggressive driving in Truck Series at Martinsville; avoidable contact resulting in multicar incident | $25,000 | — |
| 2017 | Chicagoland | Kyle Busch | Joe Gibbs Racing | Post race L2 | Post-race inspection failure at Chicagoland; rear spoiler angle exceeded tolerance during playoff race | $75,000 | — |
| 2017 | Darlington | Denny Hamlin | Joe Gibbs Racing | Behavioral | Intentional wrecking of Chase Elliott at Darlington; turned Elliott into the wall on final lap | $25,000 | — |
| 2017 | Bristol | Denny Hamlin | Joe Gibbs Racing | Post race L2 | Post-race inspection failure at Bristol Night Race; rear window brace exceeded tolerance | $75,000 | — |
| 2017 | Watkins Glen | Dale Earnhardt Jr. | Hendrick Motorsports | Pre race L1 | Failed pre-race inspection at Watkins Glen; body template nonconformance on right side | $50,000 | — |
| 2017 | Indianapolis | Kasey Kahne | Hendrick Motorsports | Pre race L1 | Failed pre-race inspection at Indianapolis; body template nonconformance on front fascia | $50,000 | — |
| 2017 | Kentucky | Martin Truex Jr. | Furniture Row Racing | Post race L1 | Post-race inspection failure at Kentucky; vehicle ride height below minimum after winning race | $50,000 | — |
| 2017 | Sonoma | Clint Bowyer | Stewart-Haas Racing | Pre race L1 | Failed pre-race inspection at Sonoma; front splitter height below minimum specification | $50,000 | — |
| 2017 | Michigan | Kyle Larson | Chip Ganassi Racing | Post race L2 | Post-race inspection failure at Michigan after winning race; rear window brace modification exceeded tolerance | $75,000 | — |
| 2017 | Pocono | Kevin Harvick | Stewart-Haas Racing | Post race L2 | Post-race inspection failure at Pocono; rear window nonconformance exceeding tolerance | $75,000 | — |
| 2017 | Texas (CWT) | Matt Crafton | ThorSport Racing | Post race L1 | Post-race inspection failure in Truck Series at Texas; vehicle height below minimum specification | $15,000 | — |
| 2017 | Dover | Jimmie Johnson | Hendrick Motorsports | Post race L2 | Post-race inspection failure at Dover after winning race; rear spoiler modification found out of specification | $75,000 | — |
| 2017 | Charlotte | Martin Truex Jr. | Furniture Row Racing | Post race L2 | Post-race inspection failure at Charlotte; rear window brace found out of specification after winning Coca-Cola 600 | $75,000 | — |
| 2017 | Talladega | Joey Logano | Team Penske | Post race L1 | Post-race inspection failure at Talladega; minor rear bumper cover deviation from specification | $50,000 | — |
| 2017 | Richmond | Matt Kenseth | Joe Gibbs Racing | Post race L2 | Post-race inspection failure at Richmond; car found with unapproved body modifications after completing race | $75,000 | — |
| 2017 | Richmond (NXS) | Cole Custer | Stewart-Haas Racing | Post race L1 | Post-race inspection failure in Xfinity Series at Richmond; rear suspension out of specification | $25,000 | — |
| 2017 | Bristol (NXS) | Erik Jones | Joe Gibbs Racing | Pre race L1 | Failed pre-race inspection in Xfinity Series at Bristol; body template violation | $25,000 | — |
| 2017 | Texas Motor Speedway | Joey Logano | Team Penske | Pre race L1 | Failed pre-race inspection; body template violations found during pre-qualifying check | $50,000 | — |
| 2017 | Auto Club | Kyle Larson | Chip Ganassi Racing | Pre race L1 | Failed pre-race inspection at Auto Club Speedway; body template nonconformance | $50,000 | — |
| 2017 | Phoenix | Ryan Newman | Richard Childress Racing | Post race L2 | Post-race inspection failure at Phoenix; unapproved rear spoiler modification found | $75,000 | — |
| 2017 | Atlanta | Brad Keselowski | Team Penske | Post race L2 | Post-race inspection failure at Atlanta; rear window brace modification found out of specification | $75,000 | — |
| 2017 | Daytona 500 | Chase Elliott | Hendrick Motorsports | Pre race L1 | Failed pre-race inspection at Daytona 500; front fascia template nonconformance | $50,000 | — |
| 2017 | Daytona (NXS) | Elliott Sadler | JR Motorsports | Post race L1 | Post-race inspection failure in Xfinity Series at Daytona; vehicle did not meet height specifications | $25,000 | — |
| 2017 | Atlanta (CWT) | Christopher Bell | Kyle Busch Motorsports | Post race L1 | Post-race inspection failure in Truck Series at Atlanta; rear bumper deviation from specification | $15,000 | — |
| 2017 | Daytona (CWT) | Kaz Grala | GMS Racing | Post race L1 | Post-race inspection failure in Truck Series at Daytona after winning race; vehicle height violation | $15,000 | — |