Chevrolet F Series 2004–2005 — technical service bulletin
Bulletin PIP3394F · NHTSA communication 10113006 · issued Apr 24, 2013
Technical service bulletin
communication type
Electrical System
component
2004–2005
model years
14
vehicle entries
Official summary
This Preliminary Information communication provides information to the technician about vehicles that have Misfire, rough running, surge, chuggle, and possible Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P1223, P1226, P1229, P1232, P1235, P1238, P1241 or P1244. Technician should check the wiring between the Engine Control Module and the Fuel Injection Control module. Also inspect the C107 on Silverado and Sierra or C118 on Kodiak and Topkick connector for wire chafes. Technician should repair any wiring issues that are found.
Vehicles covered
- 2004 Chevrolet F Series
- 2005 Chevrolet F Series
- 2004 Chevrolet Silverado 1500 HD
- 2005 Chevrolet Silverado 1500 HD
- 2004 Chevrolet Silverado 2500
- 2005 Chevrolet Silverado 2500
- 2004 GMC G Van Bus
- 2005 GMC G Van Bus
- 2004 GMC Sierra 1500 HD
- 2005 GMC Sierra 1500 HD
- 2004 GMC Sierra 2500
- 2005 GMC Sierra 2500
- 2004 GMC Topkick
- 2005 GMC Topkick
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.