VW Code 05391
05391 Description And Summary : |
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This code were stamped on VW Engine case control module 2 for cooling fan, short circuit it can suddenly lead to a significantly more exhaust gas temperature sensor 2 bank 2 (g449), short to ground also oxygen (lambda) sensor b3 s1, heater return coupling is the final reason of the code. |
05391 Possible Causes:
05391 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Turbocharger Boost Sensor A Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Composition Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 05391 Code
- Inspect all the connections linear oxygen sensor exhaust bank 3 / pump current, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns