Audi P1690: Malfunction Indication Light Malfunction

Is your scanner showing Audi P1690?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Audi P1690: Malfunction Indication Light Malfunction

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Advanced
Repair Cost
:
$75-$250
Can I Still Drive?
:
Yes (Short-term only)

What Does The Audi P1690 Code Mean?

The exhaust Malfunction Indicator Lamp (MIL) lights up when exhaust relevant malfunctions are recognized by the Engine Control Module (ECM). The Malfunction Indicator Lamp (MIL) can blink or remain lit continuously.

What Are The Potential Causes Of The Audi P1690 Code?

Below are some potential causes of this DTC:

  • Wire from ECM to MIL is shorted or grounded
  • ECM has failed
  • MIL has failed

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Audi Engine Control Module

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

Audi A4 Avant 95-01 Service Repair Manual, page 62.

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