P0D07 is the general circuit code for positive contactor A of the charging system, the switch that joins the plus side of a charging path to the traction battery. Depending on the design this path comes from the DC fast-charge inlet or from the on-board charger; the Chevrolet Volt, for instance, places charging contactors between charger and pack. The code stands for an electrical fault in that contactor branch which fits no more specific case. No manufacturer documents P0D07 publicly; a GM patent describes judging such contactors by their coil current, and CARB requires plug-in vehicles to monitor charging components. Welded or non-closing contacts are P0D08/P0D09, driver faults P0D0A–P0D0D, the main pack contactors P0AA0 ff. Usually charging is blocked while driving still works.
High severity. Can I keep driving?If the car still runs, drive as little as possible and go to a specialized repair shop. Do not touch the orange cables: they carry high voltage.
Symptoms
- Charging not possible or aborted
- Charging system warning in the instrument cluster
Most likely causes
- Contactor coil open or shorted
- Damaged wiring or corroded connector in the contactor branch
- Fault in the module that drives and monitors the contactor
What to check, in order
Start with the simplest. You can tick off each step.
What each character of P0D07 means
- P: Powertrain: engine and transmission
- 0: Generic code: same on every make
- D: Subsystem depends on the code range
- 07: Specific fault in that system
Frequently asked questions
Can I keep driving with code P0D07?
If the car still runs, drive as little as possible and go to a specialized repair shop. Do not touch the orange cables: they carry high voltage.
What causes code P0D07?
The most common causes are: contactor coil open or shorted; damaged wiring or corroded connector in the contactor branch; fault in the module that drives and monitors the contactor.
Related codes
- P0D08Battery Charging System Positive Contactor A Stuck Closed
- P0D09Battery Charging System Positive Contactor A Stuck Open
- P0D0ABattery Charging System Positive Contactor A Control Circuit/Open
- P0D0EBattery Charging System Negative Contactor A Circuit
- P0AA0Hybrid/EV Battery Positive Contactor Circuit
Sources
Values and procedures vary by manufacturer. If it affects brakes, steering, fuel or high voltage, see a professional. Updated: 2026-11-04. How we build these pages.