What does code P1790 mean on Honda vehicles?
The ECU detects a general automatic transaxle malfunction.
OBD-II Code Honda
P1790 — Honda — Automatic Transaxle Concerns
The ECU detects a general automatic transaxle malfunction.
Common symptoms
- Harsh or abrupt gear changes
Possible causes
- Internal transmission failure
Initial recommendation
Diagnose automatic transaxle hydraulic and control systems.
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 P1790 with your vehicle's actual symptoms for more complete diagnostic guidance.
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