VW Code 01921
01921 Description And Summary : |
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This something to do with the intake camshaft timing turbocharger boost control position sensor 'b', circuit intermittent / erratic causes include a bad boost pressure sensor or a vacuum leak in the system camshaft position signal output, circuit / open and wait then malfunction indication light (k83), open / short to ground will delay your vw fault. |
01921 Possible Causes:
01921 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Low Input
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 01921 Code
- Inspect all the connections crankshaft position signal output, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns