What does code P1694 mean on Hyundai vehicles?
The immobilizer system detects an incorrect or missing signal from the engine control module.
OBD-II Code Hyundai
P1694 — Hyundai — Immobilizer ECM Signal Malfunction
The immobilizer system detects an incorrect or missing signal from the engine control module.
Common symptoms
- Engine does not start
Possible causes
- Faulty ECM signal
- wiring issues
- module communication fault
Initial recommendation
Perform immobilizer and ECM communication diagnostics.
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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