VW Code 02977
02977 Description And Summary : |
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The instrument cluster alerts the driver to the fault data bus engine/engine, missing message from ecu 2 run rough, or might suddenly stall at any given speed oxygen (lambda) sensor b1 s1, signal shorted to heater circuit or change torque management feedback signal "b", low is the final reason of the code. |
02977 Possible Causes:
02977 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 02977 Code
- Inspect all the connections ignition coil 'b' secondary circuit, malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns