We are a team of ASE certified mechanics who have created this guide to help you retrieve OBD1 trouble codes for your Volkswagen with the definitions below. To start you must locate the diagnostic connector located in the center console or the trunk, you will also need two wire jumpers. Some vehicles will not allow the codes to be read without using the manufacturer's scan tool.
Code 4444 No fault indicated
Code 2212 Throttle valve potentiometer fault
Code 2312 Engine coolant sensor fault
Code 2322 Intake air temperature sensor fault
Code 2342 Oxygen sensor fault
Code 2141 Knock sensor fault
Code 2341 Oxygen sensor control (vacuum or exhaust leak, wiring fault)
Code 2323 Air flow sensor fault
Code 4411 Fuel injector fault
Code 1111 Control unit
Code 0000 End of code transfer: 2.5 second flashes at 2.5 seconds interval
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