P0CD0
AC Plug Voltage Sense Circuit
On-board charger detects fault in the AC plug voltage sense circuit, used to verify mains voltage during charging.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: shop_only
Common causes
Ordered by how often each turns out to be the cause.
- On-board charger internal faultCommon
- Pack cell imbalance approaching service thresholdLess likely
- Ground point with elevated resistanceLess likely
Parts involved
- On Board Charger
- Charge Port
P0CD0 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.