Generic
Type:
    Powertrain - Computer and Auxiliary Outputs - ISO/SAE Controlled
Description:
    Control Module Processor

GM
Type:
    Powertrain - Computer and Auxiliary Outputs - ISO/SAE Controlled
Description:
    Control Module Internal Performance Conditions
Cause:
    DTC P0601 and P0604 not set, key on, then the PCM determined that an internal performance problem existed within the controller • Refer to code repair chart for instructions on how to replace a PCM and how to reprogram a replacement