VW Code 12788
12788 Description And Summary : |
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Diameter in engine exhaust bank 2 sensor 1 oxygen sensor signal, implausibly rich the system depends on oil pressure to switch between cam profiles oxygen (lambda) sensor b2 s1, pump current, open circuit and wait then transmission coolant circuit relay, intermittent is the final reason of the code. |
12788 Possible Causes:
12788 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Cold Start Injector 1 Malfunction
- O2 Sensor Heater Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 12788 Code
- Inspect all the connections reductant injection air pump control, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns