Engine Coolant Heater B Control Circuit Performance
Engine Coolant Heater B Control Circuit Performance: the control circuit has an electrical fault.
Affected components
- Coolant heater b
Common causes
- High likelihood: Heater element failed
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.