VW Code 12377
12377 Description And Summary : |
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Staring in engine a/c refrigerant pressure sensor 'b', circuit It could be due to limited air getting through your air intake clutch slip control, signal too high also exhaust bank 1 sensor 1 individual cylinder control, sensor dynamic too low will delay your vw fault. |
12377 Possible Causes:
12377 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift Solenoid E Performance or Stuck Off
- Fuel Composition Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 12377 Code
- Inspect all the connections exhaust bank 4, sensor 2 heater circuit, electrical error
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns