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April 1, 2005 Service bulletin

Diagnostic trouble code (DTC) P1172 or P2636, fuel gauge reads empty, service engine soon (SES) light on

Chevrolet technical service bulletin 050604008 for 2001-2005 Chevrolet Silverado and 2001-2005 GMC Sierra.

Bulletin number
050604008
Component
Engine and engine cooling: engine
Summary
Diagnostic trouble code (dtc) p1172 or p2636, fuel gauge reads empty, service engine soon (ses) light on. Tt

Owners of these vehicles have filed 331 complaints in the engine category.

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