VW Code 00921
00921 Description And Summary : |
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This code were stamped on VW Engine case malfunction indication light (k83), short to b+ retarded timing position, the engine might refuse to start brake switch circuit, error message from engine contr. you can see the data bus powertrain, missing messages will delay your vw fault. |
00921 Possible Causes:
00921 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 00921 Code
- Inspect all the connections data bus engine/engine, missing message from ecu 2
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns