P0119moderate severityPowertrain
ECT Sensor 1 Circuit Intermittent
on 2025 Chevrolet Silverado EV Electric Dual Motor · 4WD
What this code means
The ECT sensor signal is intermittent.
Symptoms
- Check Engine Light (intermittent)
- Erratic temp gauge
- Fan cycling issues
Common causes
- Loose connector
- Damaged wiring
- Intermittent sensor failure
Diagnostic steps
- Wiggle test
- Monitor ECT signal
- Inspect connector
Repair notes
Repair connector or wiring.
Other Powertrain codes on this vehicle
P0070
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P0071
Ambient Air Temperature Sensor Range/Performance
P0072
Ambient Air Temperature Sensor Circuit Low
P0073
Ambient Air Temperature Sensor Circuit High
P0115
Engine Coolant Temperature (ECT) Sensor 1 Circuit
P0116
ECT Sensor 1 Circuit Range/Performance
P0117
ECT Sensor 1 Circuit Low Input
P0118
ECT Sensor 1 Circuit High Input
P0125
Insufficient Coolant Temperature for Closed Loop Fuel Control
P0128
Coolant Thermostat Below Regulating Temperature