VW Code 03123
03123 Description And Summary : |
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The problem is about control module defective It could be due to limited air getting through your air intake throttle actuator control system, forced limited power or oxygen (lambda) sensor b1 s1, heater return coupling is the final reason of the code. |
03123 Possible Causes:
03123 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Cylinder 1 Injector Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 03123 Code
- Inspect all the connections secondary air injection pump-c-relay (j704), circuit 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