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DTC P1118 - Engine Coolant Temperature Above Maximum Threshold🔗

Conditions for Setting DTC P1118🔗

  • Engine Running
  • Engine Coolant Temperature Sensor ≥ 302 °F
  • The above must be present for a period of 128 instances/cycles or greater to trigger DTC P1118
Step Action Value(s) YES NO
1 - Key ON, Engine Running
- Ensure engine is running at normal operating temperature and then run the engine above 1200 RPM for at least 30 seconds
- Within VCM Live, open the ECT sensor DTC Maximum parameter, does the ECT sensor parameter display 302 °F or less?
Go to Step 2
2 - Verify with a temperature gauge that the engine coolant is above 215 °F ± 10
- Does the temperature gauge indicate 215 °F or greater?
Repair cooling system Go to Step 3
3 - If the above steps did not correct the issue, see diagnostic steps for DTC P0118 N/A N/A