Honda CR-V · Diagnostic Trouble Code

P0128 — Coolant Thermostat (Coolant Temp Below Regulating Temp)

Quick overview of P0128 on your Honda CR-V. Read the full diagnosis guide, then find the repair guides for your vehicle below.

Read the full P0128 diagnosis guide →

General diagnostic information, not a factory service procedure. If you're unsure, have a qualified technician confirm the diagnosis before buying parts.