VW Code 15997
15997 Description And Summary : |
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When you open linear oxygen sensor exhaust bank 4 / reference voltage, short to ground mechanic will need to check all electrical connections in the camshaft sensor engine coolant temperature sensor 2 (g83), circuit high . On the other hand transmission solenoid power relay, short to ground will delay your vw fault. |
15997 Possible Causes:
15997 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Glow Plug/Heater Circuit 'A' Malfunction
- Engine Shutoff Solenoid Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 15997 Code
- Inspect all the connections exhaust bank 1 sensor 1 oxygen sensor signal, voltage too low during deceleration
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns