Short circuit in the accessory tow hitch wiring module due to moisture ingress, potentially causing a continuous battery drain or fire risk.
- Typically appears
- Any mileage (weather dependent)
- What to inspect
- Look under the rear bumper for a fitted tow bar; if present, check the socket for green corrosion and verify recall completion history on the system.
- Typical repair
- Electrical diagnosis & module repair · £120–£900
