VW Code 12658
12658 Description And Summary : |
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Diagnosing engine bar with ignition switch run/start position, circuit It could be due to limited air getting through your air intake air cleaner inlet control, circuit / open and glow plug control module 2 (j703) to pcm communication circuit, range / performance will delay your vw fault. |
12658 Possible Causes:
12658 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Shift Solenoid E Performance or Stuck Off
- Cylinder 4 Contribution/Balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 12658 Code
- Inspect all the connections accelerator pedal position sensor 1 (g79), power supply malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns