DTC P0115-2A: Engine Coolant Temperature Sensor 1 Signal Stuck in Range [11/2023 - ]: Procedure

1. Read the DTCs.

   Powertrain > Engine > Trouble Codes 

   Result

   Result	Proceed to
   DTC P0115-2A is output	A
   DTC P0115-2A and other DTCs are output	B

   HINT: 

   If any DTCs other than P0115-2A are output, troubleshoot those DTCs first.

Result: 

B 

GO TO DTC CHART  . Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2023 - 11/2024] , or refer to DIAGNOSTIC TROUBLE CODE CHART [11/2024 - ]

Result: 

A 

See step  2

1. Inspect the water inlet with thermostat sub-assembly (thermostat opening temperature).

   Refer to INSPECTION [10/2021 - ]

   HINT: 

   Perform "Inspection After Repair" after replacing the engine coolant temperature sensor.

   Refer to INITIALIZATION [10/2021 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ENGINE COOLANT TEMPERATURE SENSOR 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPLACE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY 

Refer to REMOVAL [10/2021 - ]