P0116moderate severityPowertrain
ECT Sensor 1 Circuit Range/Performance
on 2010 Cadillac Escalade 6.2L V8 · 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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P0001
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P0001
Fuel Volume Regulator Control Circuit/Open
P0002
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P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
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P0003
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P0004
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P0004
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P0010
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P0010
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