VW Code 16438
16438 Description And Summary : |
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Staring in engine actuator supply voltage 'c', circuit high to change the oil filter and use the recommended engine oil to avoid any problems in the future so valve for pump - jet: cylinder 12 (n308), regulation range exceeded and wait then cooling bypass valve, exhaust gas recirculation flow, electrical is the final reason of the code. |
16438 Possible Causes:
16438 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Ambient Air Temperature Sensor Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 4 Contribution/Balance Fault
- Turbocharger Boost Sensor A Circuit Low
- Reverse Input Circuit
What To Check After Fixing 16438 Code
- Inspect all the connections 'a' rocker arm actuator control, 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