P2D67Battery Charging System Negative Contactor C Control Circuit Low
- Generic OBD-II code · Powertrain
- How the car detects it
- P2D67 is stored when the drive line of minus charging contactor C sits lower than the module expects, typically because the wire touches ground or the connector has taken in water. No manufacturer documents P2D67 publicly. A separate low check is needed because the usual open-load test misses this fault: GM states in its 2011 Volt table for the minus charge contactor (P0D11) that the test cannot detect a short to ground. CARB, on the other hand, allows opens and shorts on outputs to share one code, so certain systems log this case under P2D65. The effect of the short depends on which coil end is switched: contactor C may remain open, or the output stage protects itself by cutting out. P2D68 is the high case, P2D60 the plus side.
- What you may notice
- Charging mode via contactor C refused
- Fault more frequent after rain or washing
- Charging warning in the cluster
- Likely causes
- LikelyDrive wire chafed against the battery housing or body
- PossibleMoisture or corrosion in the contactor connector
- RareShorted turns in the coil of minus contactor C
- Repair
- Workshop only · Usually a job for a workshop.Typical cost: €100 – €1,500
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.