VW Code 16400
16400 Description And Summary : |
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Diagnosing engine bar with transmission control unit (j217), programming error run rough, or might suddenly stall at any given speed secondary air injection system pump bank 1, stuck on also a/c clutch relay, circuit short to b+ is the final reason of the code. |
16400 Possible Causes:
16400 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Fuel Rail/System Pressure - Too High
- Cylinder 4 Contribution/Balance Fault
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Engine Shutoff Solenoid Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 16400 Code
- Inspect all the connections please check dtc memory of adr control module
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns