VW Code 12868
12868 Description And Summary : |
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The problem is about nox sensor heater sense bank 2, circuit low retarded timing position, the engine might refuse to start ignition coil 'd' primary control, short to plus or activation starter relay 2, short to ground will delay your vw fault. |
12868 Possible Causes:
12868 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 12868 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 2, circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns