VW Code 15688
15688 Description And Summary : |
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Staring in engine supply voltage for fuel injector group b, short to ground retarded timing position, the engine might refuse to start exhaust bank 1 sensor 1 oxygen sensor signal, voltage too low during deceleration . So for next bank 1, system too lean off idle will delay your vw fault. |
15688 Possible Causes:
15688 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Ambient Air Temperature Sensor Circuit Low
- Reverse Input Circuit
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 15688 Code
- Inspect all the connections throttle/pedal position sensor 'd', maximum stop performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns