Service bulletins for the 2007 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.
971 on file from NHTSA, as of 2026-10-19.
About P0401 on the 2007 GMC Savana: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
By topic
Only bulletins with trouble code: P0401 are shown. Show all
| PIP-4636 | 2009-11-24. Service bulletin. ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. CHEVROLET/GMC: TURBO VANE POSITION SENSOR WIRE CHAFE; REDUCED POWER AND/OR THE SES/MIL LIGHT ON. INITIAL DIAGNOSIS MAY REVEAL ONE OR A COMBINATION OF TURBO DTCS P003A, P0234, P0401, P0402, P0652, P0698, P0699, P2563. IF ONE OR COMBINATION OF DTCS HAVE BEEN FOUND, INSPECT FOR A WIRE CHAFE ON THE VPS (VANE POSITION SENSOR). *PE |
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| PIP-4380 | 2008-09-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. GMC: EGR LOW FLOW DTC P0401. VEHICLES THAT ARE EQUIPPED WITH THE 6.6L DIESEL ENGINE RPO CODE LM. *PE |
| 060604066 | 2007-03-05. 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.