What does code P1693-0 mean on Hyundai vehicles?
The ECU detects a malfunction in the malfunction indicator lamp request circuit from the transmission control module.
OBD-II Code Hyundai
P1693-0 — Hyundai — TCM MIL Request Circuit Malfunction
The ECU detects a malfunction in the malfunction indicator lamp request circuit from the transmission control module.
Common symptoms
- Check engine light on
Possible causes
- Wiring issues
- poor connection between TCM and ECM
Initial recommendation
Inspect MIL request circuit wiring between TCM and ECM.
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.
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