Powertrain
Definition only
Lights the check engine lamp
P2E64: Engine Coolant Bypass Valve E Control Circuit High
Standardized SAE J2012 code · P2Exx codes
What does P2E64 mean?
The engine coolant bypass valve E reports a control circuit high 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 Wire shorted to B+
- Medium Open valve actuator
- Low Connector pins corroded - high contact resistance
Likelihood is a general estimate across vehicles; your make and model may differ.
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P2E64 in the community
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