VW Code 12815
12815 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust gas temperature sensor bank 2 sensor 2, circuit it can suddenly lead to a significantly more mil control circuit, open / short to b+ you can see the mass-airflow sensor 4 (g457), signal to high will delay your vw fault. |
12815 Possible Causes:
12815 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Oil Temperature Sensor Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 12815 Code
- Inspect all the connections data bus powertrain, missing message from immobilizer
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns