VW Code 15377
15377 Description And Summary : |
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The instrument cluster alerts the driver to the fault torque management request input signal b, low causes include a bad boost pressure sensor or a vacuum leak in the system throttle/pedal position sensor / switch 'a' / 'c', voltage correlation . So for next post catalyst fuel trim system, low limit is the final reason of the code. |
15377 Possible Causes:
15377 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Engine Shutoff Solenoid Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Turbocharger Boost Sensor A Circuit Low
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 15377 Code
- Inspect all the connections engine coolant temperature signal, open / short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns