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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.

By type

By component

By trouble code

By topic

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
158012024-01-08. Service bulletin. ELECTRICAL SYSTEM. Emergency Vehicle Reduced Power
PIT5125A2023-12-26. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:INTERIOR LAMPS/BULBS. Available Stop And Turn Lamp Options/Diagnostic Information
PIT5074H2023-12-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
14105B2023-12-18. Service bulletin. SEAT BELTS:FRONT:RETRACTOR; UNKNOWN OR OTHER; AIR BAGS:FRONTAL; TIRES; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Passenger Side Instrument Panel Performance
14105A2023-12-18. Service bulletin. TIRES; SEAT BELTS:FRONT:RETRACTOR; AIR BAGS:FRONTAL; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; UNKNOWN OR OTHER. Passenger Side Instrument Panel Performance
141052023-12-18. Service bulletin. AIR BAGS:FRONTAL; TIRES; SEAT BELTS:FRONT:RETRACTOR; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; UNKNOWN OR OTHER. Passenger Side Instrument Panel Performance
14082C2023-12-18. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Passenger Side Instrument Panel Performance
14082B2023-12-18. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Passenger Side Instrument Panel Performance
14082A2023-12-18. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; UNKNOWN OR OTHER. Passenger Side Instrument Panel Performance
140822023-12-18. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; UNKNOWN OR OTHER. Passenger Side Instrument Panel Performance
147302023-12-18. Service bulletin. UNKNOWN OR OTHER; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. Torque Converter Clutch Wear
145152023-12-18. Service bulletin. ELECTRICAL SYSTEM. Chassis Electronic Control Module Internal Contamination
20-NA-1322023-12-15. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
PIT5074H2023-12-11. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
PIC5687C2023-12-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Checking Smartphone Bluetooth Software Update Status
1300890082023-12-11. Service bulletin. ELECTRICAL SYSTEM:WIRING. GM Wiring Repair Strategy Information
1300890032023-12-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Vehicle Software Enhancements
15NA0132023-12-11. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Exterior Lighting Inoperative - Incorrect Upfitter BCM Connections
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
PIT5236B2023-12-04. Service bulletin. ELECTRICAL SYSTEM. OnStar Module Does Not Support All B101D Symptom Codes.
120601007A2023-12-04. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM; ENGINE; UNKNOWN OR OTHER. New Service Cam Bearings For Gen IV V8 Engines
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
07-08-49-020R2023-10-18. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
16-NA-2222023-09-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
09-06-04-026X2023-08-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

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