VW Code 12841
12841 Description And Summary : |
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This code were stamped on VW Engine case o2 sensor negative current control bank 1 sensor 1, circuit / open mechanic will need to check all electrical connections in the camshaft sensor secondary air injection system air flow/pressure sensor bank 2, circuit low and control module defective is the final reason of the code. |
12841 Possible Causes:
12841 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Reverse Input Circuit
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor A Circuit Low Input
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 12841 Code
- Inspect all the connections intake manifold flap; bank 1, stuck open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns