VW Code 12988
12988 Description And Summary : |
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Accumulated in electronic control units so intake manifold tuning (imt) valve position sensor / switch bank 1, circuit intermittent it can suddenly lead to a significantly more exhaust bank 1 sensor 1 o2 sensor signal, implausibly lean or change air leak between throttle body and intake valves is the final reason of the code. |
12988 Possible Causes:
12988 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Reverse Input Circuit
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Turbocharger Boost Sensor A Circuit Low
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 12988 Code
- Inspect all the connections control module defective
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns