DTC P188A:00 Differential Oil Temperature Is Out Of Range [AWD Control Module]: Notes

WARNING: This page is about a different car, the 2025 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

DTC P188A:00 (AWD CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

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