P2CC2
Generator Voltage Sense Circuit B Range/Performance
The voltage sense circuit B for the generator reports a circuit b range/performance condition. Generator output regulation may be impaired.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Voltage sense drift outside calibrationCommon
- High-resistance contactPossible
- Sensor element aged beyond calibration windowLess likely
Parts involved
- Generator B
- Wiring Harness
- ECM
P2CC2 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.