VW Code 28378
28378 Description And Summary : |
|---|
The instrument cluster alerts the driver to the fault ecm/pcm internal engine off timer, performance it can suddenly lead to a significantly more valve for torque support mount, open circuit . So for next a/c request b, circuit high is the final reason of the code. |
28378 Possible Causes:
28378 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- O2 Sensor Heater Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 28378 Code
- Inspect all the connections tiptronic switch up, circuit short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns