VW Code 12126
12126 Description And Summary : |
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Diameter in engine valve for pump - jet: cylinder 10 (n306), range / performance the system depends on oil pressure to switch between cam profiles cooling bypass valve, exhaust gas recirculation flow, electrical and wait then databus engine-engine, implausible message is the final reason of the code. |
12126 Possible Causes:
12126 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Engine Shutoff Solenoid Malfunction
- Engine Oil Temperature Sensor Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail/System Pressure - Too High
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 12126 Code
- Inspect all the connections nox sensor heater control bank 2, 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