Canada - Interior - Active Headrest Abnormal Operation

Bulletin
L-TCI-3078

Issue Date
December 15, 2011

Market
Canada

Title
ACTIVE HEADREST ABNORMAL OPERATION

Service Category
Vehicle Interior

Section
Seat







APPLICABILITY:

INTRODUCTION:
Some 2010 - 2011 model year GS 350/450h/460 vehicles may exhibit a condition where the active headrest activates without a collision event causing a poor appearance. This condition may be present on both Front Seats.

A revised Active Headrest Lower Unit has been developed to address this condition.

PRODUCTION CHANGE INFORMATION:








This TSB applies to vehicles produced BEFORE the Production Change Effective VIN shown.







WARRANTY INFORMATION:







PARTS INFORMATION:







REQUIRED TOOLS & EQUIPMENT:

REPAIR PROCEDURE:








1. Visually confirm the condition by examining the front seat headrest(s). If the headrest is extended or deployed without a collision, this TSB may apply. If not, follow the Repair Manual and/or collision repair manual for additional diagnostics.
2. Remove the front seat headrest assembly, No.2 seat adjuster control cable assembly and active headrest lower unit. Refer to ETAS/TIS library, applicable model and model year Repair Manual.
- 2010 / 2011 GS 350/450h/460:
Vehicle Interior - Seat- "Front Seat Assembly: Removal"
- 2010 / 2011 GS 350/450h/460:
Vehicle Interior - Seat- "Front Seat Assembly: Disassembly"

3. Replace the front seat headrest assembly, No. 2 seat adjuster control cable assembly and NEW active headrest lower unit. Refer to ETAS/TIS library, applicable model and model year Repair Manual.
- 2010 / 2011 GS 350/450h/460:
Vehicle Interior - Seat - "Front Seat Assembly: Reassembly"
- 2010 / 2011 GS 350/450h/460:
Vehicle Interior - Seat - "Front Seat Assembly: Installation"

NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.