WenmarOpen by Wenmar Pro

Service bulletins for the 2012 GMC Sierra

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

2268 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIC5687C2023-12-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Checking Smartphone Bluetooth Software Update Status
PIC5614A2023-12-11. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Changing Turn-By-Turn Voice Response To Metric Or English Units
PIC5588A2023-12-11. Service bulletin. EQUIPMENT:ELECTRICAL. Programming And Activation Of Replacement OnStar Modules.
140432023-12-11. Service bulletin. POWER TRAIN. CSP - Incorrect Transmission Thrust Bearing - Equipped with Allison 6-Speed Automatic Transmissionl (MW7)
13420A2023-12-11. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL. PSR- Fuel Transfer Pump Malfunction - Equipped with 6.6L Diesel Engine (LML/LGH) and Dual Fuel Tanks (N2N)
134202023-12-11. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL. PSR - Fuel Tr ansfer Pump Malfunction - Equipped with 6.6L Diesel Engine (LML/LGH) and Dual Fuel Tanks (N2N)
130232001D2023-12-11. Service bulletin. STEERING. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions
130232001B2023-12-11. Service bulletin. STEERING. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions
130232001A2023-12-11. Service bulletin. STEERING. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions
1302320012023-12-11. Service bulletin. STEERING. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions
1300900012023-12-11. Service bulletin. ENGINE AND ENGINE COOLING. Information for Engine Oils Used in 2014 Model Year Vehicles
1300890102023-12-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. PAC Courtesy Transportation Assistance Program
1300890082023-12-11. Service bulletin. ELECTRICAL SYSTEM:WIRING. GM Wiring Repair Strategy Information
1300890062023-12-11. Service bulletin. UNKNOWN OR OTHER; POWER TRAIN; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Changes in Powertrain Warranty Coverage Effective with 2010 Model Year
130089004I2023-12-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Car and Truck Fix it Right the First Time Issues
130089004F2023-12-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Car and Truck Fix it Right the First Time Issues
130089004D2023-12-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Car and Truck Fix it Right the First Time Issues
130089004C2023-12-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Car and Truck Fix it Right the First Time Issues
130089004B2023-12-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Car and Truck Fix it Right the First Time Issues
130089004A2023-12-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Car and Truck Fix it Right the First Time Issues
1300890042023-12-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Car and Truck Fix it Right the First Time Issues
1300890032023-12-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Vehicle Software Enhancements
120604002E2023-12-11. Service bulletin. AIR BAGS. Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages
090730018D2023-12-11. Service bulletin. POWER TRAIN. Change in Automatic Transmission Add Condition Documentation and Claim Submission
090730018C2023-12-11. Service bulletin. POWER TRAIN. Warranty Administration ? Change in Automatic Transmission Add Condition Documentation and Claim Submission

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.