What does code P1691 mean on Audi vehicles?
An open circuit has been detected in the malfunction indicator lamp circuit.
OBD-II Code Audi
P1691 — Audi — Malfunction Indicator Light Open Circuit
An open circuit has been detected in the malfunction indicator lamp circuit.
Common symptoms
- MIL does not illuminate.
Possible causes
- Open circuit.
Initial recommendation
Check MIL wiring continuity.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
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