Scantool Diagnostics

P0128 Coolant Thermostat (Coolant Temperature below Thermostat Regulating Temperature)

Scantool Diagnostics

Monitor GDS Data

1. Connect GDS to Data Link Connector (DLC)
2. Warm up the engine to normal operating temperature.
3. Monitor "ECTS" parameter on GDS.




4. Is the "ECTS" parameter displayed correctly?