Powertrain
Definition only
Lights the check engine lamp
P2E65: Engine Coolant Bypass Valve E Stuck/Open
Standardized SAE J2012 code · P2Exx codes
What does P2E65 mean?
The engine coolant bypass valve E reports a stuck/open condition. Coolant routing on this branch cannot be commanded reliably.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Valve stuck in open position
- Medium Return spring failed
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2E65 on the same make and model first.
P2E65 in the community
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