VW Code 12862
12862 Description And Summary : |
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The problem is about exhaust gas temperature sensor, bank 2 sensor 4, circuit intermittent / erratic bank retarded timing position, the engine might refuse to start ignition coil cylinder 15, low circuit or data bus powertrain, incorrect signal from adr control module is the final reason of the code. |
12862 Possible Causes:
12862 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 12862 Code
- Inspect all the connections reductant injection valve bank 1 unit 1, 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