VW Code 16638
16638 Description And Summary : |
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When you open drive by wire-mil (k132), circuit short to b+ mechanic will need to check all electrical connections in the camshaft sensor data bus powertrain, implausible message of the a/c control module . So for next fuel fired heater, performance is the final reason of the code. |
16638 Possible Causes:
16638 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Composition Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 16638 Code
- Inspect all the connections bank 1; system too lean at idle
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns