VW Code 03401
03401 Description And Summary : |
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Accumulated in electronic control units so 'a' rocker arm actuator control, circuit high It could be due to limited air getting through your air intake intake manifold tuning (imt) valve position sensor / switch bank 1, circuit range / performance also malfunction indication light (k83), short to ground will delay your vw fault. |
03401 Possible Causes:
03401 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 4 Contribution/Balance Fault
- Reverse Input Circuit
- Ambient Air Temperature Sensor Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Cold Start Injector 1 Malfunction
What To Check After Fixing 03401 Code
- Inspect all the connections torque management request input signal b, low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns