DTC P1639 GMC
CAN Communication Malfunction
GMC — Articles & Guides
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DTC P1637 GMC
Delivered Torque Signal Malfunction
DTC P1635 GMC
FCAN Malfunction (VTM-4 Control Module To PCM)
DTC P1634 GMC
Electronic Control Unit Software Calibration Not Learned
DTC P1632 GMC
Fewer Controllers On Than Programmed
DTC P1631 GMC
Satellite Radio Tuner Time-out
DTC P1630 GMC
Right Front Wheel Speed Sensor. General Failure Information. Mechanical Failures
DTC P1627 GMC
ECU is Faulted Diagnosis: INSTALL a new Dual Climate Controlled Seat Module (DCSM).
DTC P1626 GMC
No TCM Bus Message
DTC P161A GMC
Rear Brake Pressure Sensor - Signal Plausability Failure
DTC P160C GMC
Mirror LF RF Select Switch Circuit
DTC P1601 GMC
Ignition Switched Power Run Crank Relay Circuit