For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2005 🢒 Express (CNG) 🢒 Engine 🢒 Engine Controls - 6.0L 🢒 Diagnostic Trouble Code (DTC) List

Diagnostic Trouble Code (DTC) List for Chevrolet Express (CNG) 2005

DTC	Diagnostic Procedure	Module(s)
Only Alternative Fuels specific DTCs are shown in this DTC List. Refer to Diagnostic Trouble Code (DTC) List - Vehicle in Vehicle DTC Information in the G/H Van Service Manual for all additional DTCs.
P0005	DTC P0005	PCM¹
P0171	DTC P0171 or P0174 in Engine Controls in the G/H Van Service Manual when set during gasoline operation DTC P0171 or P0174	PCM
P0172	DTC P0172 or P0175 in Engine Controls in the G/H Van Service Manual when set during gasoline operation DTC P0172 or P0175	PCM
P0174	DTC P0171 or P0174 in Engine Controls in the G/H Van Service Manual when set during gasoline operation DTC P0171 or P0174	PCM
P0175	DTC P0172 or P0175 in Engine Controls in the G/H Van Service Manual when set during gasoline operation DTC P0172 or P0175	PCM
P0182	DTC P0182	PCM¹
P0183	DTC P0183	PCM¹
P0186	DTC P0186	PCM¹
P0187	DTC P0187	PCM¹
P0188	DTC P0188	PCM¹
P0191	DTC P0191	PCM¹
P0192	DTC P0192	PCM¹
P0193	DTC P0193	PCM¹
P0200	DTC P0200	PCM
P0230	DTC P0230 in Engine Controls in the G/H Van Service Manual	PCM²
P0300	DTC P0300	PCM
P0420	DTC P0420 or P0430 in Engine Controls in the G/H Van Service Manual	PCM²
P0430	DTC P0420 or P0430 in Engine Controls in the G/H Van Service Manual	PCM²
P0442	DTC P0442 in Engine Controls in the G/H Van Service Manual	PCM²
P0443	DTC P0443 in Engine Controls in the G/H Van Service Manual	PCM²
P0446	DTC P0446 in Engine Controls in the G/H Van Service Manual	PCM²
P0449	DTC P0449 in Engine Controls in the G/H Van Service Manual	PCM²
P0452	DTC P0452 in Engine Controls in the G/H Van Service Manual	PCM²
P0453	DTC P0453 in Engine Controls in the G/H Van Service Manual	PCM²
P0455	DTC P0455 in Engine Controls in the G/H Van Service Manual	PCM²
P0461	DTC P0461 in Instrument Panel, Gages, and Console in the G/H Van Service Manual	PCM², IPC
P0462	DTC P0462 in Instrument Panel, Gages, and Console in the G/H Van Service Manual	PCM², IPC
P0463	DTC P0463 in Instrument Panel, Gages, and Console in the G/H Van Service Manual	PCM², IPC
P0496	DTC P0496 in Engine Controls in the G/H Van Service Manual	PCM²
P0611	DTC P0611	PCM¹
P1020	DTC P1020	PCM¹
P1204	DTC P1204	PCM¹
P1207	DTC P1207	PCM¹
P1208	DTC P1208	PCM¹
P1209	DTC P1209	PCM¹
P1431	DTC P1431	PCM¹
P1432	DTC P1432	PCM¹
P1433	DTC P1433	PCM¹
P2146	DTC P2146	PCM¹
P2665	DTC P2665	PCM¹
P2668	DTC P2668	PCM¹
U0306	Diagnostic System Check - Alternative Fuels (Engine Controls)	PCM
¹Tests only during CNG operation on KL6 vehicles. ²Tests only during gasoline operation. These DTCs are disabled on KL8 vehicles.