What does code P1891 mean on Honda vehicles?
The ECU detects a general automatic transaxle fault causing limp mode.
OBD-II Code Honda
P1891 — Honda — Automatic Transaxle Concerns
The ECU detects a general automatic transaxle fault causing limp mode.
Common symptoms
- Limp mode activation
Possible causes
- Internal transmission failure
Initial recommendation
Perform comprehensive automatic transaxle diagnostics.
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 P1891 with your vehicle's actual symptoms for more complete diagnostic guidance.
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