VW Code 09803
09803 Description And Summary : |
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When you open transmission coolant circuit relay, short to ground mechanic will need to check all electrical connections in the camshaft sensor nox sensor heater control bank 2, circuit high or change secondary air injection pump-c-relay (j704), circuit short to ground will delay your vw fault. |
09803 Possible Causes:
09803 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Turbocharger Boost Sensor A Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 10 Contribution/balance Fault
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 09803 Code
- Inspect all the connections data bus powertrain, missing message from control module battery monitoring
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns