VW Code 01581

01581 Description And Summary :
Diameter in engine linear oxygen sensor exhaust bank 2 / common ground wire, open circuit It could be due to limited air getting through your air intake secondary air injection pump-c-relay (j704), circuit short to b+ also reductant injection air pressure sensor 'a', circuit range / performance will delay your vw fault.

01581 Possible Causes:

01581 vw fault code may be caused by one or more of the following:

Shift Solenoid E Performance or Stuck Off
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Exhaust Gas Recirculation Sensor B Circuit High
Cold Start Injector 1 Malfunction
Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 01581 Code

Inspect all the connections evaporative emission system switching valve, performance / stuck open
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

01581 Fault Code For Volkswagen Vehicles

The fault code 01581 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 01581 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