DTC P2D44-96: A/C Compressor Component Internal Failure [08/2023 - ]: Description

WARNING: This page is about a different car, the 2025 Lexus RX 450h+ and 2024 Lexus RX 450h+. However, it is still accessible from the selected car via links, so may be relevant.

The compressor with motor assembly runs according to signals from the air conditioning amplifier assembly and circulates refrigerant to each part.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Memory	DTC Output from	Priority	Note
P2D44-96	A/C Compressor Component Internal Failure	Diagnosis Condition: During battery cooling Malfunction Status: When there is a difference between the actual speed of the compressor with motor assembly and the target speed Detection Time: Continuously for 20 seconds or more Trip: 2 trip detection logic	Compressor with motor assembly Air conditioning amplifier assembly	Come on	Memorized	Air Conditioner	B	SAE Code: P2D44

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Memory

DTC Output from

Priority

Note

P2D44-96

A/C Compressor Component Internal Failure

Diagnosis Condition:

During battery cooling

Malfunction Status:

When there is a difference between the actual speed of the compressor with motor assembly and the target speed

Detection Time:

Continuously for 20 seconds or more

Trip:

2 trip detection logic

Compressor with motor assembly
Air conditioning amplifier assembly

Come on

Memorized

Air Conditioner

SAE Code:

P2D44

HINT:

Battery cooling control can be performed from the Active Test of the hybrid battery system.

Refer to DATA LIST / ACTIVE TEST [08/2023 - ]