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 Clear Memory Mode, and Inspection Mode. Preparation For the Inspection Mode

Step 1-2: