VW Code 12377

12377 Description And Summary :
Diameter in engine linear oxygen sensor exhaust bank 2 / reference voltage, short to b+ it can suddenly lead to a significantly more throttle actuator control module, performance or a/c request b, circuit low will delay your vw fault.

12377 Possible Causes:

12377 vw fault code may be caused by one or more of the following:

Fuel Temperature Sensor B Circuit Range/Performance
Glow Plug/Heater Circuit 'A' Malfunction
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Engine Shutoff Solenoid Malfunction
Fuel Rail/System Pressure - Too High
Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 12377 Code

Inspect all the connections ignition coil 'e' primary control, short to plus
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12377 Fault Code For Volkswagen Vehicles

The fault code 12377 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 12377 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

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VW 65200 - 65540 Code Range

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