OBD-II code · Powertrain (generic, extended)
P2E64 Engine Coolant Bypass Valve E Control Circuit High
The engine coolant bypass valve E reports a control circuit high condition. Coolant routing on this branch cannot be commanded reliably.
Is it safe to drive with P2E64?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyWire shorted to B+
- PossibleOpen valve actuator
- Less likelyConnector pins corroded - high contact resistance
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 Bypass Valve E, Wiring Harness, Ecm
Related codes
- P2683Engine Coolant Bypass Valve A Control Circuit High
- P26AEEngine Coolant Bypass Valve B Control Circuit High
- P26B9Engine Coolant Bypass Valve C Control Circuit High
- P26BFEngine Coolant Bypass Valve D Control Circuit High
- P2E61Alternative Fuel Misfire Detected With Low Fuel
- P2E62Engine Coolant Bypass Valve E Control Circuit/Open
- P2E63Engine Coolant Bypass Valve E Control Circuit Low
- P2E65Engine Coolant Bypass Valve E Stuck/Open
- P2E66Engine Coolant Bypass Valve E Range/Performance
- P2E67Engine Coolant Bypass Valve E Stuck Closed
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.