OBD-II Code Hyundai

P1642 — Hyundai — ECM Incorrect Type or Non-Immobilizer

The installed engine control module is of an incorrect type or not compatible with the immobilizer system.

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

What does code P1642 mean on Hyundai vehicles?

The installed engine control module is of an incorrect type or not compatible with the immobilizer system.

Common symptoms

  • Engine does not start

Possible causes

  • Incompatible ECM
  • incorrect programming

Initial recommendation

Reprogram or replace ECM with the correct specification unit.

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 P1642 with your vehicle's actual symptoms for more complete diagnostic guidance.

Go to the app View more brands