Network / Communication

• U0642Lost Communication With EVAP System Pressure Sensor/Switch Circuit BFull content
• U0643Lost Communication With Turbocharger/Supercharger A Temperature SensorFull content
• U0644Lost Communication With Wastegate Position Sensor AFull content
• U0645Lost Communication With Active Air Dam ModuleFull content
• U0646Lost Communication With Motor Electronics Coolant Pump AFull content
• U0647Lost Communication With Motor Electronics Coolant Pump BFull content
• U0648Lost Communication With Motor Electronics Coolant Pump CFull content
• U0649Lost Communication With Coolant Pump DFull content
• U064ALost Communication With Hybrid/EV Battery Pack Current Sensor AFull content
• U064BLost Communication With Hybrid/EV Battery Pack Current Sensor BFull content
• U064CLost Communication With Hybrid/EV Battery Pack Current Sensor CFull content
• U064DLost Communication With Trailer Brake Control SwitchFull content
• U064ELost Communication With EGR Cooler Bypass Position Sensor Bank 1Full content
• U064FLost Communication With Intake Manifold Runner Position Sensor Bank 1Full content
• U0650Lost Communication With Exhaust Pressure Control Valve A Sensor/SwitchFull content
• U0651Lost Communication With EGR Sensor AFull content
• U0652Lost Communication With EGR Sensor BFull content
• U0653Lost Communication With EGR Sensor CFull content
• U0654Lost Communication With Diesel Intake Air Flow A Position SensorFull content
• U0655Lost Communication With Diesel Intake Air Flow B Position SensorFull content
• U0656Lost Communication With Turbocharger/Supercharger Boost Control A Position SensorFull content
• U0657Lost Communication With Turbocharger/Supercharger Bypass Valve A Position SensorFull content
• U0658Lost Communication With Windshield Temperature SensorFull content
• U0659Lost Communication With Left Front Temperature ActuatorFull content
• U065ALost Communication With Right Front Temperature ActuatorFull content
• U065BLost Communication With Left Front Mode ActuatorFull content
• U065CLost Communication With Right Front Mode ActuatorFull content
• U065DLost Communication With Air Intake ActuatorFull content
• U065ELost Communication With Ram Air ActuatorFull content
• U065FLost Communication With Left Rear Temperature Actuator AFull content
• U0660Lost Communication With Left Rear Temperature Actuator BFull content
• U0661Lost Communication With Right Rear Temperature Actuator AFull content
• U0662Lost Communication With Right Rear Temperature Actuator BFull content
• U0663Lost Communication With Rear Mode ActuatorFull content
• U0664Lost Communication With Rear HVAC Air Cutoff ActuatorFull content
• U0665Lost Communication With Fuel Rail Pressure Sensor Bank 2Full content
• U0666Lost Communication With Reductant Pressure SensorFull content
• U0667Lost Communication With Engine Oil Temperature Sensor AFull content
• U0668Lost Communication With Engine Oil Level Sensor CircuitFull content
• U0669Lost Communication With EGR Sensor DFull content
• U066ALost Communication With EGR Sensor EFull content
• U066BLost Communication With Turbocharger/Supercharger Bypass Valve B Position SensorFull content
• U066CLost Communication With Exhaust Heat Exchanger Bypass Valve Actuator BFull content
• U066DLost Communication With Charge Air Cooler Temperature Sensor Bank 1Full content
• U066ELost Communication With Charge Air Cooler Temperature Sensor Bank 2Full content
• U066FLost Communication With Low Pressure Fuel System SensorFull content
• U0670Lost Communication With Fuel Temperature Sensor AFull content
• U0671Lost Communication With Fuel Temperature Sensor BFull content
• U0672Lost Communication With Engine Coolant PumpFull content
• U0673Lost Communication With Ion Sense ModuleFull content
• U0674Lost Communication With Wastegate Position Sensor BFull content
• U0675Lost Communication With Turbocharger/Supercharger Speed Sensor AFull content
• U0676Lost Communication With Fuel Level Sensor AFull content
• U0677Lost Communication With Fuel Level Sensor BFull content
• U0678Lost Communication With Fuel Level Sensor CFull content
• U0679Lost Communication With Transmission Fluid Pressure Sensor/Switch AFull content
• U067ALost Communication With Transmission Fluid Pressure Sensor/Switch BFull content
• U067BLost Communication With Engine Disconnect Clutch Pressure SensorFull content
• U067CLost Communication With Fan 3Full content
• U067DLost Communication With Fan 4Full content

This information follows the generic OBD-II definition and does not replace a vehicle-specific diagnosis. The severity rating is rule-based; an authorised diagnostic reading is required for a definitive answer.