VW Code 01623
01623 Description And Summary : |
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When you open oxygen (lambda) sensor b2 s1, pump current, short to ground retarded timing position, the engine might refuse to start nox sensor heater control bank 2, circuit / open you can see the throttle angle signal stuck on will delay your vw fault. |
01623 Possible Causes:
01623 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- 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 01623 Code
- Inspect all the connections fuel injection valve 1 (n366), 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