VW Code 12034
12034 Description And Summary : |
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The instrument cluster alerts the driver to the fault linear oxygen sensor exhaust bank 2 / pump current, short to ground the system depends on oil pressure to switch between cam profiles exhaust bank 4 sensor 1 heater circuit, electrical malfunction . On the other hand valve for pump - jet, cylinder 4 (n243), electrical malfunction will delay your vw fault. |
12034 Possible Causes:
12034 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Injector Circuit Malfunction - Cylinders
- Timing Reference High Resolution Signal A Too Many Pulses
- Cold Start Injector 1 Malfunction
What To Check After Fixing 12034 Code
- Inspect all the connections injector cylinder 15 (n392), circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns