What does code P1486 mean on Honda vehicles?
The ECU detects thermostat operation outside the expected range.
OBD-II Code Honda
P1486 — Honda — Thermostat Range/Performance Problem
The ECU detects thermostat operation outside the expected range.
Common symptoms
- Unstable engine temperature
Possible causes
- Stuck or slow-responding thermostat
Initial recommendation
Replace thermostat and verify proper cooling system operation.
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
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