Power Lift-Gate Inoperative With Key Off (PIT4429F)

WARNING: This page is about the Traverse LS, AWD, which is a different variant/trim than selected.

Publication date: 2018-03-28
Reference number: PIT4429F

POWER LIFT-GATE INOPERATIVE WITH KEY OFF

TECHNICAL SERVICE BULLETIN

Reference Number(s): PIT4429F, Date of Issue: Mar 27, 2018

SERVICE INFORMATION

Brand:	Model:	Model Year:		VIN:		Engine:	Transmission:
Brand:	Model:	from	to	from	to	Engine:	Transmission:
Buick	Enclave	2008-2017		All	All	All	All
Chevrolet	Traverse	2009-2017		All	All	All	All
GMC	Acadia	2007-2016		All	All	All	All
Saturn	Outlook	2007-2010		All	All	All	All
Cadillac	SRX	2010-2016		All	All	All	All

Supersession Statement

This PI was superseded to update Model Years. Please discard PIT4429E.

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

CONDITION/CONCERN

Some customers may state the power lift-gate is inoperative from all the switches and the keyless entry transmitter only with the ignition in the off position. If the ignition is in the accessory or the run position, the lift-gate will operate correctly.

RECOMMENDATION/INSTRUCTIONS

If you experience this concern, check for power on the "Accessory Wake Up Data Line "going to the ECM and the TCM. With the key in the accessory position, check for battery voltage on circuit 5985 going to the ECM and to the TCM. If no voltage is present with the key in the accessory position, check for a wiring or pin fit concern.

WARRANTY INFORMATION

For wiring repairs covered under warranty, please refer to latest version of bulletin 10-00-89-005for warranty information on wire/connector repairs.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.