- May 7: GM Transmission Lawsuit Affects Hydra-Matic 8L90 and 8L45 news | 9 days ago
- March 10: GM Trucks Suffer Automatic Emergency Braking Incidents recalls | 67 days ago
- March 4: GM to Replace Engines in 2023 Colorado, Silverado 1500, GMC Sierra 1500 news | 73 days ago
GMC TSB #20-NA-065
2020 GMC Sierra 3500
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set.
Click a tab for more information.