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JAC Fault Codes

Welcome to the JAC Fault Codes section! Here you will find a comprehensive list of fault codes and troubleshooting guides for JAC vehicles. Our team of experts is dedicated to providing you with the necessary resources to help you quickly and accurately diagnose and fix any issues with your vehicle. We understand the importance of keeping your vehicle running smoothly, and our fault codes will assist you in achieving that. Be sure to check back for updates and new materials. Thank you for choosing JAC Fault Codes!

JAC S5

JAC Fault Codes

Jac HFC4da1-2c china-IV diesel engines fault codes list

Fault Diagnosis The electronic control unit (ECU) continuously monitors sensors, actuators, circuits, MILs (Malfunction Indicator Lights), battery voltage, and even itself. It performs reliability tests on sensor output signals, actuator…

JAC Fault Codes

JAC Truck Fault Codes DTC

JAC Truck HFC4DA1-2C Engine Fault Codes DTC P0030 - The linear oxygen sensor heater circuit is open P0031 - The linear oxygen sensor heater circuit is short to ground P0032 - The linear oxygen sensor heater circuit is…