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Engine Coolant Temperature – Data Valid but Above Normal Operating Range – Moderately Severe Level
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Overview
| CODE | REASON | EFFECT |
| Fault Code: 1119 PID: P110 SPN: 110 FMI: 0/16 LAMP: Amber SRT: |
Engine Coolant Temperature – Data Valid but Above Normal Operating Range – Moderately Severe Level. Engine coolant temperature signal indicates coolant temperature is above the engine coolant temperature engine protection warning limit. |
EGR valve will be closed. |
 Engine Coolant Temperature Sensor Circuit
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Circuit Description
The engine coolant temperature sensor is used by the ECM to monitor the engine coolant temperature. The ECM monitors the voltage on the SIGNAL pin and converts this to a temperature value. The engine coolant temperature value is used by the ECM for the engine protection system and engine emissions control.
Component Location
The engine coolant temperature sensor is located on the exhaust side of the engine, near the thermostat housing. Refer to Procedure 100-002 for a detailed component location view.
Shop Talk
- Beginning with engine serial number (ESN) first 14039654, the temperature sensor RETURN circuit was separated from the pressure sensor RETURN circuit. For engine serial numbers (ESNs) prior to this and with engine wiring harness Part Number 3682854, see the common pressure/temperature sensor RETURN circuit above. For this engine serial number (ESN) and greater or for any other engine wiring harness part number, see the separate pressure/temperature sensor RETURN circuit above.
This fault code can be caused by high coolant temperatures.
Refer to Troubleshooting Fault Code t05-1119
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