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Service bulletins for the 2006 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.

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

About P003A on the 2006 GMC Sierra: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P003A are shown. Show all

Bulletins, newest first
06-06-01-007I2017-12-22. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL. This informational bulletin provides information to dealership personnel on identifying Duramax Diesel overpower engine breakdown or non-function due to aftermarket power-up devices vs. non overpower engine non-function of pistons, cylinders, valve train components, and DTC P003A or P111D set.
06-06-01-007G2017-10-12. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides Information on Identifying Duramax Diesel Overpower Engine Breakdown/Non-Function Due to Aftermarket Power-Up Devices vs Non Overpower Engine Non-Function of Pistons, Cylinders, Valvetrain Components, DTC P003A or P111D Set
PIP-46292009-08-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. CHEVROLET/GMC: DIESEL ENGINE TURBO DTC P2563 OR P003A. MAY ENCOUNTER A CONCERN OF SES LIGHT, REDUCED POWER, LOW POWER. *PE
0606040662007-03-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LBZ, LLY, ENGINE WITH ROUGH IDLE, POOR PERFORMANCE, BLACK/WHITE EXHAUST SMOKE, MIL/SES LIGHT ON AND ONE OR MORE OF THE FOLLOWING DTC'S P003A, P060B, P0230, P0403, P0401, P0606, P2146, P2149, P2152, P2155. (REPROGRAM ECM AND REPLACE EGR MOTOR OR EGR VALVE. *KB UPDATED 04-27-07. *KB UPDATED. *PE

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