VW Code 19403
19403 Description And Summary : |
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Diameter in engine glow plug / heater relay, circuit open / short to ground retarded timing position, the engine might refuse to start reservoir for additive for particle filter, empty . On the other hand reductant injection valve bank 2 unit 1, circuit / open will delay your vw fault. |
19403 Possible Causes:
19403 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cold Start Injector 1 Malfunction
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 19403 Code
- Inspect all the connections please check dtc memory of central electric control ecu
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns