VW Code 18538
18538 Description And Summary : |
---|
This code were stamped on VW Engine case powertrain databus, implausible engine temperature message from inst. causes include a bad boost pressure sensor or a vacuum leak in the system low pressure fuel sensor sensor (g410), implausible signal and wait then secondary air injection pump-c-relay (j704), circuit short to b+ is the final reason of the code. |
18538 Possible Causes:
18538 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 4 Contribution/Balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 18538 Code
- Inspect all the connections hydraulic actuator position sender (g302), upper limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns