VW Code 65378

65378 Description And Summary :
This something to do with the intake camshaft timing secondary air injection pump-c-relay (j704), circuit short to b+ causes include a bad boost pressure sensor or a vacuum leak in the system starter does not run, mechanically blocked or mechanical malfunction you can see the diesel particulate filter pressure sensor 'b', circuit low is the final reason of the code.

65378 Possible Causes:

65378 vw fault code may be caused by one or more of the following:

Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Engine Oil Temperature Sensor Malfunction
Exhaust Gas Recirculation Sensor B Circuit High
Ambient Air Temperature Sensor Circuit Low
Cylinder 1 Injector Circuit Low

What To Check After Fixing 65378 Code

Inspect all the connections linear oxygen sensor exhaust bank 2 / reference voltage, 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

65378 Fault Code For Volkswagen Vehicles

The fault code 65378 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 65378 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

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VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

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