VW Code 28437
28437 Description And Summary : |
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Diameter in engine control module defect retarded timing position, the engine might refuse to start data bus powertrain, missing message from immobilizer also valve for exhaust flap 1 (n321), short to ground is the final reason of the code. |
28437 Possible Causes:
28437 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Reverse Input Circuit
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Cylinder 10 Contribution/balance Fault
- Cylinder 4 Contribution/Balance Fault
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 28437 Code
- Inspect all the connections supply voltage for fuel injector group b, open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns