OBD-II Code Honda

P1660 — Honda — Automatic Transaxle FI Signal A Circuit Failure

The ECU detects an electrical failure in the FI signal A circuit of the automatic transaxle.

Brand Honda
System Transmission System
Severity High
Safe to drive? Not recommended
Advanced scanner Yes

What does code P1660 mean on Honda vehicles?

The ECU detects an electrical failure in the FI signal A circuit of the automatic transaxle.

Common symptoms

  • Limp mode activation

Possible causes

  • Electrical circuit failure
  • wiring fault

Initial recommendation

Diagnose automatic transaxle FI signal circuit and repair 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 Honda code P1660 with your vehicle's actual symptoms for more complete diagnostic guidance.

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