VW Code 09988
09988 Description And Summary : |
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Diagnosing engine bar with power supply (b+) terminal 15, voltage too high the system depends on oil pressure to switch between cam profiles torque management feedback signal "b", range / performance also exhaust bank 1 sensor 1 o2 sensor signal, implausibly rich is the final reason of the code. |
09988 Possible Causes:
09988 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Reverse Input Circuit
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Turbocharger Boost Sensor A Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 09988 Code
- Inspect all the connections bank 1 sensor 1, internal resistance too high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns