OBD-II Code Hyundai

P1616 — Hyundai — Engine Control Relay Circuit Malfunction

The ECU detects a malfunction in the engine control relay circuit, affecting power supply to engine systems.

Brand Hyundai
System Electrical System
Severity High
Safe to drive? Not recommended
Advanced scanner Yes

What does code P1616 mean on Hyundai vehicles?

The ECU detects a malfunction in the engine control relay circuit, affecting power supply to engine systems.

Common symptoms

  • No start or intermittent starting

Possible causes

  • Faulty engine control relay
  • wiring issues

Initial recommendation

Inspect and test engine control relay and associated 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 P1616 with your vehicle's actual symptoms for more complete diagnostic guidance.

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