VW Code 04637
04637 Description And Summary : |
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Accumulated in electronic control units so reductant injection valve bank 1 unit 1, circuit / open the system depends on oil pressure to switch between cam profiles generator shut-off, open or short to ground and wait then powertrain data bus, missing message from steering angle sensor is the final reason of the code. |
04637 Possible Causes:
04637 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Rail Pressure Sensor Circuit Malfunction
- Reverse Input Circuit
- Fuel Temperature Sensor B Circuit Range/Performance
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 04637 Code
- Inspect all the connections exhaust bank 3, probe 2 signal too slowly
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns