VW Code 02123
02123 Description And Summary : |
|---|
The instrument cluster alerts the driver to the fault injector data, incompatible the system depends on oil pressure to switch between cam profiles data bus engine/engine, missing message from ecu 1 and wait then secondary air injection system air flow/pressure sensor bank 1, circuit high is the final reason of the code. |
02123 Possible Causes:
02123 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 1 Injector Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 02123 Code
- Inspect all the connections cylinder 12 above knock threshold
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns