Diagnostic Trouble Code (DTC) List

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Cadillac Escalade EXT. However, it is still accessible from the selected car via links, so may be relevant.

DTC	Diagnostic Procedure	Module
P0116	DTC P0116 in Engine Controls - 4.8L, 5.3L, and 6.0L DTC P0116 in Engine Controls - 8.1L	PCM
P0117	DTC P0117 in Engine Controls - 4.8L, 5.3L, and 6.0L DTC P0117 in Engine Controls - 8.1L	PCM
P0118	DTC P0118 in Engine Controls - 4.8L, 5.3L, and 6.0L DTC P0118 in Engine Controls - 8.1L	PCM
P0125	DTC P0125 in Engine Controls - 4.8L, 5.3L, and 6.0L DTC P0125 in Engine Controls - 8.1L	PCM
P0128	DTC P0128 in Engine Controls - 4.8L, 5.3L, and 6.0L DTC P0128 in Engine Controls - 8.1L	PCM
P1258	DTC P1258	PCM