VW Code 09123
09123 Description And Summary : |
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When you open valve for pump - jet: cylinder 7 (n303), regulation range exceeded retarded timing position, the engine might refuse to start nox sensor heater control bank 2, circuit low or powertrain databus, implausible engine temperature message from inst. will delay your vw fault. |
09123 Possible Causes:
09123 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail Pressure Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 09123 Code
- Inspect all the connections powertrain data bus, missing message from steering wheel electronics
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns