What does code P1678 mean on Audi vehicles?
A short to ground has been detected in the MIL circuit of the drive-by-wire system.
OBD-II Code Audi
P1678 — Audi — Drive by Wire – MIL Circuit Short to Ground
A short to ground has been detected in the MIL circuit of the drive-by-wire system.
Common symptoms
- MIL operates incorrectly.
Possible causes
- Faulty wiring.
Initial recommendation
Check MIL circuit wiring.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Audi code P1678 with your vehicle's actual symptoms for more complete diagnostic guidance.
Go to the app View more brands