OBD-II Code Hyundai

P1670 — Hyundai — Ignition Power Stage B Circuit Malfunction

The ECU detects a malfunction in ignition power stage B, causing ignition misfires.

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

What does code P1670 mean on Hyundai vehicles?

The ECU detects a malfunction in ignition power stage B, causing ignition misfires.

Common symptoms

  • Misfire
  • rough engine operation

Possible causes

  • Faulty ignition power module B
  • wiring issues

Initial recommendation

Diagnose ignition power stage B and repair or replace faulty components.

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 P1670 with your vehicle's actual symptoms for more complete diagnostic guidance.

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