Audi OBD Trouble Code 71

Audi Problems For OBD Code 71

Message center circuit failure

A/C evaporator temp sensor circuit error (low temp indicated)

AC evaporator temperature sensor circuit low

Aux 5V signal voltage low
The auxiliary 5 volt supply output voltage is low. The 5 volt output signal is not reaching the required voltage level.

EGR system circuit fault (for ES300; GS300 SC300 models)

Check 71 OBD1 Code For All Audi Models

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