VW Code 12649
12649 Description And Summary : |
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Accumulated in electronic control units so oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded the system depends on oil pressure to switch between cam profiles motor for intake manifold flap (v157), no signal or change o2 sensor signal bank 2 sensor 1, biased / stuck lean will delay your vw fault. |
12649 Possible Causes:
12649 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Exhaust Gas Recirculation Sensor B Circuit High
- Clutch Position Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Turbocharger Boost Sensor A Circuit Low
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 12649 Code
- Inspect all the connections injector cylinder 15 (n392), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns