VW Code 13878
13878 Description And Summary : |
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Diameter in engine please check dtc memory of brake system ecu the system depends on oil pressure to switch between cam profiles secondary air injection system air flow/pressure sensor bank 1, circuit . So for next coolant pump control, circuit low is the final reason of the code. |
13878 Possible Causes:
13878 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Exhaust Gas Recirculation Sensor B Circuit High
- Reverse Input Circuit
What To Check After Fixing 13878 Code
- Inspect all the connections o2 sensor signal bank 1 sensor 3, biased / stuck rich
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns