DTC P0125: ECT Sensor Malfunction/Slow Response (2004-2005 models)
NOTE:
Before you troubleshoot, record all freeze data and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION
).
- Start the engine, and let it idle.
- Check the ECT SENSOR in the DATA LIST with the HDS.
Is about 86°F (30°C) or less, or 2.61 V or more Indicated?
- YES - Go to step 3.
- NO - Intermittent failure, system is OK at this time. Check the thermostat and the cooling system.
- Let the engine idle 6 minutes.
- Check the ECT SENSOR in the DATA LIST with the HDS.
Is about 86°F (30°C) or less, or 2.61 V or more indicated?
- YES - Replace the ECT sensor.
- NO - Intermittent failure, system is OK at this time. Check the thermostat and the cooling system.