Powertrain
Definition only
Lights the check engine lamp
P26B7: Engine Coolant Bypass Valve C Control Circuit / Open
Standardized SAE J2012 code · P26xx — Computer and output circuits
What does P26B7 mean?
The controller cannot drive the third coolant bypass valve.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Open coil in bypass valve solenoid
- Medium Broken control wire
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P26B7 on the same make and model first.
P26B7 in the community
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