DTC P1677 Audi
Drive by Wire-MIL Circuit Short to B+
Drive by Wire-MIL Circuit Short to B+
Description
Key on or engine running, the ECM detected an electrical malfunction regarding the drive-by-wire circuit. Note: EPC is an abbreviation and stands for Electronic Power Control and means electronic engine load control. If malfunctions are recognized in the EPC system during operation of the engine, the Engine Control Module (ECM) switches on the EPC warning lamp. An entry is made in DTC memory at the same time. After a few seconds of the engine at idle, the EPC should extinguish itself.
Cause and Solution
Circuit from the MIL to the ECM
ECM has failed
Video Guide
Diagnostic Info
- DTC Code: P1677
- Brand: Audi