Diagnostic Trouble Code (DTC) List
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Trouble Code (DTC) List
| DTC | Diagnostic Procedure | Module |
|---|---|---|
| U0073 | DTC U0073 | ECM, TCM |
| U0100 | DTC U0100-U0299 (Diesel Engine) DTC U0100-U0299 (HP2) | TCM |
| U0101 | DTC U0100-U0299 (Diesel Engine) DTC U0100-U0299 (HP2) | ECM |
| U0105 | DTC U0100-U0299 (Diesel Engine) DTC U0100-U0299 (HP2) | ECM, TCM |
| U0106 | DTC U0100-U0299 (Diesel Engine) DTC U0100-U0299 (HP2) | ECM, TCM |
| U0111 | DTC U0100-U0299 (Diesel Engine) DTC U0100-U0299 (HP2) | PCM |
| U0120 | DTC U0100-U0299 (Diesel Engine) DTC U0100-U0299 (HP2) | PCM |
| U0131 | DTC U0100-U0299 (Diesel Engine) DTC U0100-U0299 (HP2) | PCM |
| U0293 | DTC U0100-U0299 (Diesel Engine) DTC U0100-U0299 (HP2) | PCM |
| U1000 | DTC U1000 | Audio Amplifier, BCM, DDM, DRR, DSM, EBCM, ECM/PCM, FPDM, HVAC Control Module, IPC, Radio, RWSCM, CDX, RSA, RSE, SDM, TCM, TCSCM, VCIM |
| U1016 | DTC U1001-U1254 | Audio Amplifier, BCM, DDM, DRR, DSM, EBCM, FPDM, HVAC Control Module, IPC, Radio, RWSCM, SDM, TCM, TCSCM, VCIM |
| U1023 | DTC U1001-U1254 | HVAC Control Module |
| U1024 | DTC U1001-U1254 | BCM, IPC, PCM, RADIO, RWSCM |
| U1026 | DTC U1001-U1254 | BCM, EBCM, ECM/PCM, IPC, RWSCM, SDM, TCM |
| U1041 | DTC U1001-U1254 | BCM, DDM, ECM/PCM, SDM, TCM |
| U1048 | DTC U1001-U1254 | EBCM, ECM/PCM, IPC |
| U1064 | DTC U1001-U1254 | DDM, EBCM, ECM/PCM, FPDM, HVAC Control Module, IPC, Radio, SDM, TCSCM, VCIM |
| U1088 | DTC U1001-U1254 | BCM, IPC, VCIM |
| U1096 | DTC U1001-U1254 | BCM, IPC, SDM |
| U1128 | DTC U1001-U1254 | Audio Amplifier, CDX, VCIM |
| U1129 | DTC U1001-U1254 | DRR, Radio, VCIM |
| U1130 | DTC U1001-U1254 | Audio Amplifier, Radio |
| U1137 | DTC U1001-U1254 | Audio Amplifier, BCM, IPC, Radio |
| U1151 | DTC U1001-U1254 | Audio Amplifier, BCM, IPC, Radio |
| U1152 | DTC U1001-U1254 | BCM |
| U1154 | DTC U1001-U1254 | BCM, Radio |
| U1160 | DTC U1001-U1254 | BCM, DSM, FPDM |
| U1161 | DTC U1001-U1254 | BCM, DDM, DSM |
| U1166 | DTC U1001-U1254 | BCM, DDM |
| U1167 | DTC U1001-U1254 | Audio Amplifier, BCM, DRR, IPC, Radio |
| U1241 | DTC U1241 in SIR | SDM |
| U1300 | DTC U1300, U1301, or U1305 | DRR, EBCM, ECM/PCM, HVAC Control Module, IPC, Radio, RWSCM, CDX, RSA, RSE, SDM, TCM, TCSCM, VCIM |
| U1301 | DTC U1300, U1301, or U1305 | DRR, EBCM, ECM/PCM, HVAC Control Module, IPC, Radio, RWSCM, CDX, RSA, RSE, SDM, TCM, TCSCM, VCIM |
| U1305 | DTC U1300, U1301, or U1305 | Audio Amplifier, BCM, DDM, FPDM, MSM-Driver |
| U1800 | DTC U1800, U2105, U2106, or U2108 | ECM, TCM |
| U1881 | DTC U1881-U1899 | PCM |
| U1882 | DTC U1881-U1899 | PCM |
| U1883 | DTC U1881-U1899 | PCM |
| U1884 | DTC U1881-U1899 | PCM |
| U1885 | DTC U1881-U1899 | PCM |
| U1886 | DTC U1881-U1899 | PCM |
| U1887 | DTC U1881-U1899 | PCM |
| U1888 | DTC U1881-U1899 | PCM |
| U1889 | DTC U1881-U1899 | PCM |
| U1890 | DTC U1881-U1899 | PCM |
| U1891 | DTC U1881-U1899 | PCM |
| U1892 | DTC U1881-U1899 | PCM |
| U1893 | DTC U1881-U1899 | PCM |
| U1894 | DTC U1881-U1899 | PCM |
| U1895 | DTC U1881-U1899 | PCM |
| U1896 | DTC U1881-U1899 | PCM |
| U1897 | DTC U1881-U1899 | PCM |
| U1898 | DTC U1881-U1899 | PCM |
| U1899 | DTC U1881-U1899 | PCM |
| U2104 | DTC U2104 | ECM, TCM |
| U2105 | DTC U1800, U2105, U2106, or U2108 | TCM |
| U2106 | DTC U1800, U2105, U2106, or U2108 | ECM |