Buick TSB #PIP4112L

2012 Buick LaCrosse

TSB Document:

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Summary
This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to first gear.

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Date Published
AUG 01, 2013
NHTSA TSB #
10113170
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