OBD-II code · Powertrain (generic, extended)
P2CCB Coolant Pump Speed Sensor Circuit High
The ECM detects a circuit high fault on the coolant pump speed sensor circuit. Reading cannot be used reliably for control.
Is it safe to drive with P2CCB?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySignal wire shorted to B+
- PossibleOpen sensor
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Coolant Pump Speed Sensor, Wiring Harness, Ecm
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.