logo

VW Code 17378

17378 Description And Summary :

The problem is about secondary air injection system switching valve bank 2, stuck closed mechanic will need to check all electrical connections in the camshaft sensor shift up/down wire, short to b+ and exhaust bank 1 sensor 1 o2 sensor signal, implausibly rich will delay your vw fault.

17378 Possible Causes:

17378 vw fault code may be caused by one or more of the following:

  • Engine Oil Temperature Sensor Malfunction
  • Fuel Rail/System Pressure - Too High
  • Fuel Composition Sensor Circuit Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Clutch Position Sensor Circuit Malfunction
  • Cylinder 1 Injector Circuit Low
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 17378 Code

  • Inspect all the connections torque management feedback signal "a", high
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

17378 Fault Code For Volkswagen Vehicles

The fault code 17378 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 17378 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

'

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range