P0116moderate severityPowertrain
ECT Sensor 1 Circuit Range/Performance
on 2014 Ram 2500 6.7L I6 Cummins Diesel · 4WD
What this code means
The ECT sensor reading is not changing appropriately as the engine warms up.
Symptoms
- Check Engine Light
- Poor fuel economy
- Overheating concern
- Fan issues
Common causes
- Stuck thermostat
- Faulty ECT sensor
- Air pocket in cooling system
- Low coolant
Diagnostic steps
- Monitor ECT warmup curve
- Test thermostat
- Check for air in system
- Test sensor
Repair notes
Replace thermostat or ECT sensor. Bleed cooling system.
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P0015
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