VW Code 29012
29012 Description And Summary : |
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When you open charging system, voltage high to change the oil filter and use the recommended engine oil to avoid any problems in the future so oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded . So for next glow plug control module 2 (j703) to pcm communication circuit, range / performance will delay your vw fault. |
29012 Possible Causes:
29012 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Clutch Position Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 29012 Code
- Inspect all the connections nox 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