What does code P1682 mean on Honda vehicles?
The ECU detects a high input signal on FI Signal A of the automatic transaxle.
OBD-II Code Honda
P1682 — Honda — Automatic Transaxle FI Signal A High Input
The ECU detects a high input signal on FI Signal A of the automatic transaxle.
Common symptoms
- Erratic or harsh shifting
Possible causes
- Short circuit to voltage
- wiring fault
Initial recommendation
Inspect transmission wiring harness for shorts and repair as needed.
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 P1682 with your vehicle's actual symptoms for more complete diagnostic guidance.
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