VW Code 02901
02901 Description And Summary : |
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The problem is about direct ozone reduction catalyst deterioration sensor, circuit range / performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so torque management request input signal a . On the other hand ignition coil 'f' primary control, circuit low is the final reason of the code. |
02901 Possible Causes:
02901 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Injector Circuit Malfunction - Cylinders
- Reverse Input Circuit
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Engine Oil Temperature Sensor Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 02901 Code
- Inspect all the connections linear oxygen sensor exhaust bank 2 / pump current, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns