VW Code 13121
13121 Description And Summary : |
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This something to do with the intake camshaft timing glow plug / heater indicator (k29), circuit short to b+ retarded timing position, the engine might refuse to start water in fuel sensor, circuit intermittent . On the other hand ignition switch run position, circuit high will delay your vw fault. |
13121 Possible Causes:
13121 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Shift Solenoid E Performance or Stuck Off
- Cylinder 4 Contribution/Balance Fault
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 13121 Code
- Inspect all the connections data bus powertrain, implausible message from combi instrument
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns