VW Code 03253
03253 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust bank 4 sensor 1 oxygen sensor signal, voltage too low during deceleration mechanic will need to check all electrical connections in the camshaft sensor reductant injection valve bank 1 unit 1, circuit / open and wait then turbocharger control module 1, implausible message will delay your vw fault. |
03253 Possible Causes:
03253 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 03253 Code
- Inspect all the connections please check dtc memory of engine ecu
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns