VW Code 00637
00637 Description And Summary : |
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Diameter in engine malfunction indication light (k83), short to ground retarded timing position, the engine might refuse to start 'a' rocker arm actuator control, circuit high or torque management request input signal a, low is the final reason of the code. |
00637 Possible Causes:
00637 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Timing Reference High Resolution Signal A Too Many Pulses
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Low Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 00637 Code
- Inspect all the connections reductant temperature sensor, circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns