P0128

DTC P0128 COOLANT THERMOSTAT (ENGINE COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING TEMPERATURE)

DTC DETECTING CONDITION:
- Detected when two consecutive driving cycles with fault occur.
- GENERAL DESCRIPTION P0128

TROUBLE SYMPTOM:
Thermostat remains open.

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode, and Inspection Mode. Clear Memory Mode Inspection Mode