Powertrain Definition only Lights the check engine lamp

P2DE7: Cold Start Engine Coolant Bypass Valve C Range/Performance

Standardized SAE J2012 code · P2Dxx codes

What does P2DE7 mean?

During cold start, the engine coolant bypass valve C response does not match the cold-start calibration.

The code tells you which monitor failed, not which part is broken. Test before replacing parts.

Common causes

  • High Valve sluggish at cold
  • Medium Linkage iced
  • Low Sensor element aged beyond calibration window

Likelihood is a general estimate across vehicles; your make and model may differ.

Add your car to see reports of P2DE7 on the same make and model first.

P2DE7 in the community

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