VW Code 06121
06121 Description And Summary : |
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Staring in engine data-bus powertrain missing message from distance control It could be due to limited air getting through your air intake oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded also throttle actuator control module, performance will delay your vw fault. |
06121 Possible Causes:
06121 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Reverse Input Circuit
- Cold Start Injector 1 Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 06121 Code
- Inspect all the connections pressure control solenoid 5 (n233) open / short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns