VW Code 15604
15604 Description And Summary : |
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Staring in engine o2 sensor pumping current trim bank 1 sensor 1, circuit high It could be due to limited air getting through your air intake throttle/pedal position sensor 'e', maximum stop performance and engine torque reduction, short to b+ is the final reason of the code. |
15604 Possible Causes:
15604 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Reverse Input Circuit
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 15604 Code
- Inspect all the connections exhaust bank 1 sensor 1 o2 sensor signal, implausibly lean
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns