VW Code 01605

01605 Description And Summary :
Diagnosing engine bar with secondary air injection pump-d-relay (j705), circuit short to b+ the system depends on oil pressure to switch between cam profiles secondary air injection system switching valve bank 1, stuck open and wait then direct ozone reduction catalyst deterioration sensor, circuit low is the final reason of the code.

01605 Possible Causes:

01605 vw fault code may be caused by one or more of the following:

Cylinder 1 Injector Circuit Low
Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Fuel Rail/System Pressure - Too High
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Shift Solenoid E Performance or Stuck Off
Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 01605 Code

Inspect all the connections oxygen (lambda) sensor b1 s1, pump current, 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

01605 Fault Code For Volkswagen Vehicles

The fault code 01605 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 01605 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24