OBD-II code · Powertrain (generic, extended)
P2B5D Engine Coolant Flow Control Valve Position Sensor Circuit
The engine coolant flow control valve reports a position sensor circuit condition. Coolant routing between engine and radiator branches cannot be commanded as expected.
Is it safe to drive with P2B5D?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyPosition sensor failed
- PossibleWiring or connector fault
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Engine Coolant Flow Control Valve, Wiring Harness, Ecm
Related codes
- P2B5AEngine Coolant Flow Control Valve Control Circuit Low
- P2B5BEngine Coolant Flow Control Valve Control Circuit High
- P2B5CEngine Coolant Flow Control Valve Supply Circuit Low
- P2B5EEngine Coolant Flow Control Valve Position Sensor Circuit Low
- P2B5FEngine Coolant Flow Control Valve Position Sensor Circuit High
- P2B60Engine Coolant Flow Control Valve Position Sensor Circuit Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.