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Service bulletins for the 2012 Chevrolet Silverado

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.

2256 on file from NHTSA, as of 2026-10-19.

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By component

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
18-NA-1252024-06-28. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This service bulletin provides information for engine oil life monitor operation calculation.
18-NA-1252024-06-08. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This service bulletin provides information for engine oil life monitor operation calculation.
15-00-89-004G2024-05-15. Service bulletin. ENGINE; SUSPENSION; POWER TRAIN. This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
PI0412B2024-05-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. No Crank/No Start, Dead Battery Due to Parasitic Drain/Discharge.
PI0652A2024-04-29. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Information on Removing Seized Exhaust Temperature Sensors.
PIP4864M2024-04-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Exhaust Fluid Low
PIP4828B2024-04-15. Service bulletin. ENGINE AND ENGINE COOLING. Power On Acceleration After Cold Start.
PIP4828A2024-04-15. Service bulletin. ENGINE AND ENGINE COOLING. Power On Acceleration After Cold Start.
PIP4819A2024-04-15. Service bulletin. ENGINE AND ENGINE COOLING. SES Light Rough Running And/Or Lack Of Power.
PIP4798H2024-04-15. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Duramax Engine Control Module Parts Restriction.
PIP4798G2024-04-15. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Duramax Engine Control Module Parts Restriction.
PIE02682024-04-08. Service bulletin. ENGINE. Engineering Information.
16-NA-3832024-03-19. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
22-NA-0742024-02-29. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
19-NA-0442024-02-21. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; FUEL SYSTEM, GASOLINE. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
16-NA-2222024-02-21. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
16-NA-3382024-02-17. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
PI1394B2024-02-02. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This PI bulletin advises the technician on the proper way to install the pistons in an engine.
PIP4112T2023-12-26. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This concern may also be present while cruising at highway speeds and then an aggressive increase in throttle. This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to downshift.
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.
PIT51852023-12-11. Service bulletin. ENGINE AND ENGINE COOLING. Computer-Controlled Cranking System (Bump Start) Inoperative.
1300900012023-12-11. Service bulletin. ENGINE AND ENGINE COOLING. Information for Engine Oils Used in 2014 Model Year Vehicles
120604002C2023-12-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages
120604002B2023-12-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages
120601007A2023-12-04. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM; ENGINE; UNKNOWN OR OTHER. New Service Cam Bearings For Gen IV V8 Engines

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