DTC P1EFF Chevrolet
Software Incompatibility with Transmission Control Module
Software Incompatibility with Transmission Control Module
Description
Key on, and the ECM detected a software incompatibility condition with the Transmission Control Module during its initial startup.
Cause and Solution
Transmission Control Unit (TCM)
Video Guide
Diagnostic Info
- DTC Code: P1EFF
- Brand: Chevrolet