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 with a scan tool or 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 for 6 minutes.
- Check the ECT with a scan tool or the HDS.
Is about 86 °F (30 °C) or less, or 2.61 V or more indicated?
- YES - Replace the ECT sensor (see SPECIAL TOOLS ).
- NO - Intermittent failure, system is OK at this time. Check the thermostat and the cooling system.