Category: Code de defaut en

P20C2 code indicates serious heater element control circuit issues. Address immediately to prevent SCR system failure, catalyst damage…

Learn about DTC P20C3 severity, symptoms like reduced engine performance and black smoke, and common causes including faulty reductant heater circuit.

P20C4 DTC indicates a serious high reductant heater circuit issue requiring immediate attention.

P20C5 DTC indicates a serious reductant heater control circuit issue requiring immediate attention.

Learn about DTC P20C6 severity, symptoms like reduced engine performance and black smoke, and common causes including faulty reductant heaters.

Discover the seriousness of P20C7 DTC: reduced engine performance, excessive smoke, and potential SCR system damage.

Learn about DTC P20C8 severity, symptoms like reduced engine performance and black smoke, and common causes including faulty heater circuit.

Learn about P20C9 code causes, symptoms, and fixes for your Reduction Gear Control Module.

Learn how to diagnose and fix the P20CA code for Reductant Injection Air Pressure Leak. Check wiring, connectors, and symptoms like engine light on.

Learn about DTC P20CB severity, symptoms like engine performance loss and black smoke, and common causes including faulty EAS fuel injector and circuit issues.