DTC P0602 Hummer
Transmission Control Module (TCM) Not Programmed
Transmission Control Module (TCM) Not Programmed
Description
The TCM runs the program to detect an internal fault when the engine is running. The only requirements are voltage and ground. This program runs even if the voltage is out of the valid operating range.
Video Guide
Diagnostic Info
- DTC Code: P0602
- Brand: Hummer