DTC P188A:00 [4WD CONTROL MODULE]

id0302d2200700

DTC P188A:00

Differential oil temperature is out of range

DETECTION CONDITION

•  4WD control module detects the differential oil temperature is out of range.

FAIL-SAFE FUNCTION

•  4WD protection condition (4WD control paused)

•  4WD warning light: Flashed

POSSIBLE CAUSE

•  Detects high differential oil temperature to switch to 2WD and protect the system

SYSTEM WIRING DIAGRAM

Not applicable

Diagnostic procedure

Step	Inspection		Action
1	ALLOW VEHICLE TO COOL DOWN • Switch the ignition off and allow the vehicle to cool down.	—	Go to the next step.
2	VERIFY THAT THE SAME DTC IS NOT PRESENT • Clear the DTCs from the memory. (See CLEARING DTC [4WD CONTROL MODULE].) • Using the M-MDS, perform the 4WD control module DTC inspection. (See DTC INSPECTION [4WD CONTROL MODULE].) • Is the same DTC present?	Yes	Replace the 4WD control module. (See 4WD CONTROL MODULE REMOVAL/INSTALLATION.)
2		No	Go to the next step.
3	VERIFY THAT NO OTHER DTCS ARE PRESENT • Are any other DTCs output?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [4WD CONTROL MODULE].)
3		No	DTC troubleshooting completed.

DTC P188A:00		Differential oil temperature is out of range
DETECTION CONDITION		• 4WD control module detects the differential oil temperature is out of range.
FAIL-SAFE FUNCTION		• 4WD protection condition (4WD control paused) • 4WD warning light: Flashed
POSSIBLE CAUSE		• Detects high differential oil temperature to switch to 2WD and protect the system
SYSTEM WIRING DIAGRAM		Not applicable