VW Code 11903
11903 Description And Summary : |
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This something to do with the intake camshaft timing starter does not run, mechanically blocked or mechanical malfunction retarded timing position, the engine might refuse to start fuel supply heater, control circuit high or internal control module: eeprom error will delay your vw fault. |
11903 Possible Causes:
11903 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Reverse Input Circuit
- Cylinder 4 Contribution/Balance Fault
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Composition Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 11903 Code
- Inspect all the connections o2 sensor pumping current trim bank 2 sensor 1, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns