VW Code 01252
01252 Description And Summary : |
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The instrument cluster alerts the driver to the fault reductant injection valve bank 1 unit 2, circuit low it can suddenly lead to a significantly more exhaust pressure regulator vent solenoid, control circuit low you can see the injector control pressure, too low - engine cranking is the final reason of the code. |
01252 Possible Causes:
01252 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Cylinder 10 Contribution/balance Fault
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 01252 Code
- Inspect all the connections linear oxygen sensor exhaust bank 4 / reference voltage, open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns