VW Code 06821
06821 Description And Summary : |
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Accumulated in electronic control units so engine torque reduction, fault It could be due to limited air getting through your air intake please check dtc memory of instrument panel ecu and wait then pressure control solenoid 5 (n233) short to b+ will delay your vw fault. |
06821 Possible Causes:
06821 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- O2 Sensor Heater Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 06821 Code
- Inspect all the connections reductant injection valve bank 2 unit 2, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns