OBD-II code · Powertrain (generic, extended)
P2CC1 Generator Voltage Sense Circuit B
The voltage sense circuit B for the generator reports a circuit b condition. Generator output regulation may be impaired.
Is it safe to drive with P2CC1?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyVoltage sense circuit failed
- PossibleWiring or connector fault
- Less likelyPack cell imbalance approaching service threshold
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Generator B, Wiring Harness, Ecm
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.