DTC P2182-2A: Engine Coolant Temperature Sensor 2 Signal Stuck In Range [09/2023 - ]: Procedure

1. Read the DTCs.

   Powertrain > Engine > Trouble Codes 

   Result

   Result	Proceed to
   P2182-2A and other DTCs are output	A
   P2182-2A is output	B

   HINT: 

   If any DTCs other than P2182-2A are output, troubleshoot those DTCs first.

Result: 

A 

GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2023 - ] 

Result: 

B 

See step  2

Refer to INSPECTION [09/2023 - ]

Result

Result: 

NG 

REPLACE ENGINE COOLANT TEMPERATURE SENSOR (FOR CYLINDER HEAD SIDE). Refer to  REMOVAL [09/2023 - ] 

Result: 

OK 

See step  3

1. Compare Data List items "Coolant Temperature Sensor1" and "Coolant Temperature Sensor2" when the engine is warmed up from an engine coolant temperature below 60°C (140°F) to 60°C (140°F) or higher.

   Powertrain > Engine > Data List 

   Tester Display
   Coolant Temperature Sensor1
   Coolant Temperature Sensor2

   Result

   Result	Proceed to
   Both Coolant Temperature Sensor1 and Coolant Temperature Sensor2 rise	A
   Both Coolant Temperature Sensor1 and Coolant Temperature Sensor2 do not rise	B
   Coolant Temperature Sensor2 does not rise	C

Result: 

A 

CHECK FOR INTERMITTENT PROBLEMS. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2023 - ] 

Result: 

C 

REPLACE ENGINE COOLANT TEMPERATURE SENSOR (FOR CYLINDER HEAD SIDE). Refer to  REMOVAL [09/2023 - ] 

Result: 

B 

See step  4

Pre-procedure1

• None

• Clear the DTCs.

  Powertrain > Engine > Clear DTCs 

  Result

  Proceed to
  NEXT

Post-procedure1

• Turn the ignition switch off.

Result: 

NEXT 

See step  5

Pre-procedure1

• With the engine stopped, leave the vehicle as is for 5 hours or more.
• Put the engine in Inspection Mode (for measuring Exhaust Gas).

  Powertrain > Hybrid Control > Utility 

  Tester Display
  Inspection Mode

• Start the engine and warm it up until the engine coolant temperature reaches 60°C (140°F) or higher.

• Read the DTCs.

  Powertrain > Engine > Trouble Codes 

  Result

  Result	Proceed to
  P2182-2A and other DTCs are output	A
  P2182-2A is output	B
  DTCs are not output	C

Post-procedure1

• None

Result: 

A 

GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2023 - ] 

Result: 

B 

REPLACE WATER CONTROL VALVE. Refer to  REMOVAL [09/2023 - ] 

Result: 

C 

CHECK FOR INTERMITTENT PROBLEMS. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2023 - ]