VW Code 01090

01090 Description And Summary :
Accumulated in electronic control units so exhaust gas temperature bank 1, too high causes include a bad boost pressure sensor or a vacuum leak in the system secondary air injection pump-c-relay (j704), circuit open circuit . So for next transmission solenoid power relay, short to ground is the final reason of the code.

01090 Possible Causes:

01090 vw fault code may be caused by one or more of the following:

Reverse Input Circuit
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Crankshaft Position Sensor B Circuit Malfunction
Crankshaft Position Sensor A Circuit Malfunction
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 01090 Code

Inspect all the connections valve for fuel bypass (n312), interruption/short-circuit after mass
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

01090 Fault Code For Volkswagen Vehicles

The fault code 01090 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 01090 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