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Service bulletins for the 2012 GMC Savana

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.

1794 on file from NHTSA, as of 2026-10-19.

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By component

By trouble code

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Bulletins, newest first
14061300012023-12-11. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; AIR BAGS. High Voltage Safety ? High Voltage Disabling
1406040052023-12-11. Service bulletin. UNKNOWN OR OTHER; EQUIPMENT; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL. Duramax® Diesel Glow Plugs Difficult to Install Due to Carbon Buildup - New Glow Plug Bore Reamer Available
PIT5264B2023-12-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Canadian Customers Unable To Place Calls And Turn By Turn Inoperative In The United States.
PIT52642023-12-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Canadian Customers Unable To Place Calls In The United States
PIT5236B2023-12-04. Service bulletin. ELECTRICAL SYSTEM. OnStar Module Does Not Support All B101D Symptom Codes.
PIT52142023-12-04. Service bulletin. SUSPENSION. GM TAC Support of Vehicle Vibration Complaints.
12050B2023-12-04. Service bulletin. SUSPENSION. Rear Axle Grinding Noise, Vibration - Inspect Rear Axle
1406040022023-12-04. Service bulletin. FUEL SYSTEM, GASOLINE. Information for No Start Due to Inoperative LPG Fuel Pump Resulting From Upfitter Revisions
1308116001A2023-12-04. Service bulletin. EQUIPMENT:ELECTRICAL. Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues
120601008A2023-12-04. Service bulletin. UNKNOWN OR OTHER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Unnecessary Flushing Services, Additive Recommendations and Proper Utilization of GM Goodwrench Maintenance Schedule to Enhance Customer Service Experience
1206010082023-12-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; UNKNOWN OR OTHER. Unnecessary Flushing Services, Additive Recommendations and Proper Utilization of GM Goodwrench Maintenance Schedule to Enhance Customer Service Experience
120601007A2023-12-04. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM; ENGINE; UNKNOWN OR OTHER. New Service Cam Bearings For Gen IV V8 Engines
120310002A2023-12-04. Service bulletin. WHEELS; TIRES; UNKNOWN OR OTHER; WHEELS:LUGS/NUTS/BOLTS/STUDS. Proper Wheel Installation and Wheel Torque Techniques
1203100022023-12-04. Service bulletin. WHEELS:LUGS/NUTS/BOLTS/STUDS; UNKNOWN OR OTHER; TIRES; WHEELS. Proper Wheel Installation and Wheel Torque Techniques
120310001B2023-12-04. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; SUSPENSION; WHEELS. Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip
120310001A2023-12-04. Service bulletin. SUSPENSION: ADJUSTMENT:MANUAL; SUSPENSION; WHEELS; TIRES:BEAD. Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip
120232002A2023-12-04. Service bulletin. POWER TRAIN; BACK OVER PREVENTION; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; STEERING; STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS; STEERING:HYDRAULIC POWER ASSIST:PUMP; SERVICE BRAKES. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Pressure Hose During Extreme Low Temperature Operation (Replace Power Steering Fluid)
120089002A2023-12-04. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER; EQUIPMENT. Requesting a New Key Code for Customer with Lost or Stolen Keys
110090001B2023-12-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Global Information for GM dexos 1? and dexos 2?, Engine Oil Specifications
110090001A2023-12-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Global Information for GM dexos 1? and dexos 2?, Engine Oil Specifications
110089005H2023-12-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. dealer Empowerment Labor Operations and Customer Enthusiam
110089005F2023-12-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Enable and Empower Project
110089005E2023-12-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin is being revised to add additional Mandatory Minimum Tables and additional information concerning Policy decision making. Please discard Corporate Bulletin Number 11-00-89-005D (Section 00 ? General Information).
03-00-91-001I2023-11-22. Service bulletin. WHEELS; POWER TRAIN; STEERING; SUSPENSION; ENGINE AND ENGINE COOLING. This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
PIT5058B2023-11-20. Service bulletin. SERVICE BRAKES. School Bus Brake Warning System RPO UJ1 Functional Test And Diagnostics.

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