Rear Differential Clutch Module Restriction (PIP6027)

REAR DIFFERENTIAL CLUTCH MODULE RESTRICTION

TECHNICAL SERVICE BULLETIN

SERVICE INFORMATION

Brand:	Model:	Model Year:		VIN:		Engine:	Transmission:
		from	to	from	to
Buick	Lacrosse	2010-2017		All	All	All	All
Buick	Regal	2013-2019		All	All	All	All
Cadillac	SRX	2010-2016		All	All	All	All
Cadillac	XTS	2013-2019		All	All	All	All

Involved Region or Country	North America
Condition	Part number, 19435910 has been placed on restriction through PQC.
Cause	Due to supplier issues 19435910 is available on limited supply and returned parts are often found with no trouble found.

CORRECTION

If a Module, rear diff clutch control 19435910 is needed to repair the vehicle please see TSB 23-NA-162 INFORMATION ON SERVICE REAR AXLE MESSAGE DISPLAYED ON DRIVER INFORMATION CENTER (DIC) - DTC C039F, C0407, C0408, AND/OR C0393 SET before starting a PQC case

Please note that most modules returned are no trouble found when tested here.

U.S. Dealers: 

Please contact the Product Quality Center (PQC) by opening a new case via Dealer Case Management (DCM) From the DCM home page, click on "New PQC Case" found on the Technical Assistance tab.

Then contact the PQC by email at PQC@gm.com or by calling 1-866-654-7654

Canadian Dealers: 

If your diagnosis leads to a possible part replacement, please contact the PQC by email at PQC@gm.com or by calling 1-866-654-7654

Note: (Do Not clear any DTCs prior to contacting the PQC).

Q1. Is this Customer pay?

Q2. Have you reviewed TSB 23-NA-162 INFORMATION ON SERVICE REAR AXLE MESSAGE DISPLAYED ON DRIVER INFORMATION CENTER (DIC) - DTC C039F, C0407, C0408, AND/OR C0393 SET ?

PARTS INFORMATION

Description	Part Number	Qty
Rear Differential Clutch Control Module	19435910	1

SERVICE INFORMATION

Version	1
Modified	1/10/2025 - Created.