VW Code 02977
02977 Description And Summary : |
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This something to do with the intake camshaft timing direct ozone reduction catalyst deterioration sensor, circuit intermittent / erratic run rough, or might suddenly stall at any given speed starter activation, return message terminal 50, implausible signal or relay for exhaust cooling agent (n313), short to ground is the final reason of the code. |
02977 Possible Causes:
02977 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Crankshaft Position Sensor B Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 02977 Code
- Inspect all the connections exhaust gas temperature sensor, bank 2 sensor 4, circuit intermittent / erratic bank
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns