VW Code 12831
12831 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust bank 4 sensor 1 heater circuit, electrical malfunction it can suddenly lead to a significantly more coolant fan 2 (v177), open circuit you can see the relay for exhaust cooling agent (n313), open circuit is the final reason of the code. |
12831 Possible Causes:
12831 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 12831 Code
- Inspect all the connections 'a' rocker arm actuator system, stuck on
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns