PCV Heater A Performance
The PCV heater on path A is electrically intact but does not deliver the expected thermal effect - hose temperature does not rise as commanded. Heater element aged or contact resistance increased.
Affected components
- Pcv heater a
Common causes
- High likelihood: Heater element aged
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
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.