VW Code 04877
04877 Description And Summary : |
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This code were stamped on VW Engine case oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded mechanic will need to check all electrical connections in the camshaft sensor diesel particulate filter pressure sensor 'b', circuit intermittent / erratic you can see the tiptronic switch recognition (f189), open circuit / signal to b+ will delay your vw fault. |
04877 Possible Causes:
04877 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Glow Plug/Heater Circuit 'A' Malfunction
- Cold Start Injector 1 Malfunction
- Engine Oil Temperature Sensor Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 04877 Code
- Inspect all the connections exhaust bank 4, sensor 2, internal resistance too largely
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns