OBD-II code · Powertrain (generic, extended)
P2E63 Engine Coolant Bypass Valve E Control Circuit Low
The engine coolant bypass valve E reports a control circuit low condition. Coolant routing on this branch cannot be commanded reliably.
Is it safe to drive with P2E63?
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 ground
- PossibleInternal actuator short
- 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
- P2682Engine Coolant Bypass Valve A Control Circuit Low
- P26ADEngine Coolant Bypass Valve B Control Circuit Low
- P26B8Engine Coolant Bypass Valve C Control Circuit Low
- P26BEEngine Coolant Bypass Valve D Control Circuit Low
- P2E60Cylinder 8 Alternative Fuel Misfire Detected
- P2E61Alternative Fuel Misfire Detected With Low Fuel
- P2E62Engine Coolant Bypass Valve E Control Circuit/Open
- P2E64Engine Coolant Bypass Valve E Control Circuit High
- P2E65Engine Coolant Bypass Valve E Stuck/Open
- P2E66Engine Coolant Bypass Valve E Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.