VW Code 13789
13789 Description And Summary : |
---|
Accumulated in electronic control units so o2 sensor signal bank 1 sensor 3, biased / stuck lean run rough, or might suddenly stall at any given speed hydraulic pressure sensor 2 too low or data-bus powertrain, missing message from brake control module is the final reason of the code. |
13789 Possible Causes:
13789 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cold Start Injector 1 Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
- Exhaust Gas Recirculation Sensor B Circuit High
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 13789 Code
- Inspect all the connections exhaust bank 4, sensor 2, electrical error in the electric circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns