What does code P1503 mean on Hyundai vehicles?
The ECU detects a malfunction in the cruise control switch circuit.
OBD-II Code Hyundai
P1503 — Hyundai — Cruise Control Switch Circuit Malfunction
The ECU detects a malfunction in the cruise control switch circuit.
Common symptoms
- Cruise control inoperative
Possible causes
- Faulty cruise control switch
- wiring fault
Initial recommendation
Inspect and test cruise control switch and related wiring.
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
Use the app to combine Hyundai code P1503 with your vehicle's actual symptoms for more complete diagnostic guidance.
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