DTC P0115-2A: Engine Coolant Temperature Sensor 1 Signal Stuck in Range [12/2023 - ]: Procedure
WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0115-2A)
- Read the DTCs.
Powertrain > Engine > Trouble Codes
Result
Result Proceed to P0115-2A and other DTCs are output A P0115-2A is output B HINT:
If any DTCs other than P0115-2A are output, troubleshoot those DTCs first.
Result:
A
GO TO DTC CHART. Refer To DIAGNOSTIC TROUBLE CODE CHART [12/2023 - ]
Result:
B
See step 2
- Read the DTCs.
- INSPECT WATER INLET WITH THERMOSTAT SUB-ASSEMBLY
Refer to INSPECTION [12/2023 - ]
Result
Proceed to OK NG Result:
OK
REPLACE ENGINE COOLANT TEMPERATURE SENSOR. Refer to REMOVAL [12/2023 - ]
Result:
NG
REPLACE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY. Refer to REMOVAL [12/2023 - ]