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Service bulletins for the 2012 Chevrolet Express

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.

1796 on file from NHTSA, as of 2026-10-19.

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By component

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Only bulletins with component: Lighting are shown. Show all

Bulletins, newest first
15NA0132024-02-12. Service bulletin. EXTERIOR LIGHTING. Exterior Lighting Inoperative - Incorrect Upfitter BCM Connections
02-08-42-001J2024-01-19. Service bulletin. EXTERIOR LIGHTING. This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
PIT5122D2023-12-26. Service bulletin. AIR BAGS; EXTERIOR LIGHTING; POWER TRAIN. Stability Message Low Power Brake Light And Cruise Control Operation.
PIT5125A2023-12-11. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL; EXTERIOR LIGHTING:BRAKE LIGHTS. Available Stop And Turn Lamp Options/Diagnostic Information
15NA0132023-12-11. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Exterior Lighting Inoperative - Incorrect Upfitter BCM Connections
01-08-42-001O2023-02-28. Service bulletin. EXTERIOR LIGHTING. This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
18NA1032022-05-31. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE. This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures.
010842001N2021-08-09. Service bulletin. EXTERIOR LIGHTING; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
PIT5125F2021-06-14. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles proper operation of the stop and/or turn signals. For vehicles without Regular Production Option Code V4D circuit 618 is for the left stop and turn signal and circuit 619 dark green is for the right stop and turn signal. For vehicles with Regular Production Option Code V4D circuit 618 yellow is for the left turn signal only. Circuit 619 dark green is for the right turn signal only and circuit 1320 light blue is for the stop lamps only.
010842001M2019-12-16. Service bulletin. EQUIPMENT; EXTERIOR LIGHTING; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
010842001L2019-03-25. Service bulletin. EXTERIOR LIGHTING. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
PIT5125D2019-03-18. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL. This Preliminary Information communication provides information to the technician about vehicles proper operation of the stop and/or turn signals. For vehicles without Regular Production Option Code V4D circuit 618 is for the left stop and turn signal and circuit 619 dark green is for the right stop and turn signal. For vehicles with Regular Production Option Code V4D circuit 618 yellow is for the left turn signal only. Circuit 619 dark green is for the right turn signal only and circuit 1320 light blue is for the stop lamps only.
01-08-42-001J2018-05-07. Service bulletin. EXTERIOR LIGHTING. This informational bulletin explains condensation in exterior lights and replacment guidelines for warranty replacement.
PIP4138Q2018-02-21. Service bulletin. EXTERIOR LIGHTING. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter.
PIT5125C2018-01-16. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL. This Preliminary Information communication provides information to the technician about vehicles proper operation of the stop and/or turn signals. For vehicles without Regular Production Option Code V4D circuit 618 is for the left stop and turn signal and circuit 619 dark green is for the right stop and turn signal. For vehicles with Regular Production Option Code V4D circuit 618 yellow is for the left turn signal only. Circuit 619 dark green is for the right turn signal only and circuit 1320 light blue is for the stop lamps only.
02-08-42-001I2017-08-31. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING:BRAKE LIGHTS; EXTERIOR LIGHTING:BACK UP LIGHTS. This informational bulletin provides an out line on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage and what should be considered warranty replacement and not
01-08-42-001K2017-08-31. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. This informational bulletin provides information on exterior lamp condinsation and replacement guidelines
10-08-42-001E2017-08-15. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. This technical bulletin provides repair information for low beam headlamp bulb diagnosis/replacement to correct a customer concern that the low beam headlamp is inoperative.
15-08-42-0012017-08-15. Service bulletin. EXTERIOR LIGHTING. This informational bulletin communicates GM's position on exterior lighting components ?tinted or smoked? by an outside vendor.
PIP4819A2017-08-15. Service bulletin. ENGINE; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have Service Engine Soon Malfunction Indicator Lamp and the engine misfires. Technician may find Diagnostic Trouble Codes P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, and P0308. Technician will need to inspect the spark plug wires. Technician will need to replace any loose spark plug wires.
PIT5125A2017-08-15. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:SWITCH; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles proper operation of the stop and/or turn signals. For vehicles without Regular Production Option Code V4D circuit 618 is for the left stop and turn signal and circuit 619 dark green is for the right stop and turn signal. For vehicles with Regular Production Option Code V4D circuit 618 yellow is for the left turn signal only. Circuit 619 dark green is for the right turn signal only and circuit 1320 light blue is for the stop lamps only.
PIT5125B2017-05-22. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL; EXTERIOR LIGHTING:BRAKE LIGHTS. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES PROPER OPERATION OF THE STOP AND/OR TURN SIGNALS. FOR VEHICLES WITHOUT REGULAR PRODUCTION OPTION CODE V4D CIRCUIT 618 IS FOR THE LEFT STOP AND TURN SIGNAL AND CIRCUIT 619 DARK GREEN IS FOR THE RIGHT STOP AND TURN SIGNAL. FOR VEHICLES WITH REGULAR PRODUCTION OPTION CODE V4D CIRCUIT 618 YELLOW IS FOR THE LEFT TURN SIGNAL ONLY. CIRCUIT 619 DARK GREEN IS FOR THE RIGHT TURN SIGNAL ONLY AND CIRCUIT 1320 LIGHT BLUE IS FOR THE STOP LAMPS ONLY.
15-NA-0132016-06-22. Service bulletin. EXTERIOR LIGHTING. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIT-5122-C2012-08-02. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL; EXTERIOR LIGHTING:BRAKE LIGHTS. GENERAL MOTORS: SERVICE STABILITY MESSAGE LOW POWER BRAKE LIGHT AND CRUISE CONTROL OPERATION- DTC C0161 AND/OR C0277. NEW FOR THE 2012 MODELS IS A DUAL BRAKE PEDAL POSITION (BPP) SENSOR (TWO SENSORS IN ONE). THE DUAL BPP REPLACES THE OLD STYLE OPEN/CLOSED BRAKE SWITCH WHICH HAS BEEN USED FOR YEARS. *JS MODELS 2012-13 ALL ESCALADES; AVALANCHE, EXPRESS, SILVERADO, SUBURBAN, TAHOE; SAVANA, SIERRA, ALL YUKONS AND DENALIS. UPDATED 11/28/12. *PE

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