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November 14, 2012 Service bulletin

If you confirm

Infiniti technical service bulletin ITB12027D for 2009-2012 Infiniti G37.

Bulletin number
ITB12027D
Component
Power train
Summary
IF YOU CONFIRM If the customer reports or has previously reported: Harsher than expected down shifts when coasting to a stop. Hesitation/lag when accelerating after coasting. Hesitation/lag or harsher than expected down shifts when coming to a stop and accelerating again (rolling stop). Engine rev matching during moderate to heavy braking. ACTION 1. Referto step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on. 2. If this bulletin applies, reprogram the ECM and TCM. See this bulletin for further detail.

Owners of these vehicles have filed 33 complaints in the transmission category.

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