VW Code 13878
13878 Description And Summary : |
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This something to do with the intake camshaft timing fuel shutoff valve "b" control, circuit / open causes include a bad boost pressure sensor or a vacuum leak in the system oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded also hydraulic actuator position sender (g302), lower limit not reached will delay your vw fault. |
13878 Possible Causes:
13878 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 13878 Code
- Inspect all the connections friction too high, intake cam adjustment bank 1
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns