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Service bulletin ITB-12-027

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10044227
Published by NHTSA2012-05-23
Manufacturer's numberITB-12-027
Manufacturer's date2012-08-29
ReplacesITB-12-027-C
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

INFINITI: SHIFT RESPONSIVENESS ISSUES. REPROGRAM ECM AND TCM. *JS UPDATED 7/26/12. *PE UPDATED 8/28/12. *PE UPDATED 11/5/12. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
INFINITI G372010, 2011

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
ITB14028A2021-05-10. Service bulletin. SERVICE INFORMATION The information in this bulletin is provided to help ensure correct diagnosis and repair of fluid leaks. All fluid leaks, when properly diagnosed, should be repaired (whether under warranty or customer pay) to ensure proper vehicle operation. However, certain normal operating conditions can be misdiagnosed as a leak requiring repair. Unnecessary repair or replacement of parts in connection with incorrectly diagnosed "leaks" can negatively impact customer satisfaction, be time consuming and costly, and if not performed correctly can lead to future repairs. See this bulletin for further detail.
ITB13005B2021-05-10. Service bulletin. IF YOU CONFIRM: The clutch pedal on an applied vehicle does not return to its normal (rested) position after being depressed to the floor OR the customer states the clutch pedal on an applied vehicle does not return to its normal (rested) position after being depressed to the floor AND there are no leaks in the clutch hydraulic system. ACTION: Flush (remove) ALL existing clutch hydraulic system fluid, and refill with GT-R R35 Special Brake Fluid (see PARTS INFORMATION). - Use the SERVICE PROCEDURE in this bulletin for proper flush and refill procedure. See this bulletin for further detail.
ITB-10-0752011-04-12. Service bulletin. INFINITI: TRANSMISSION SHIFT ISSUES AND/OR A/T DTC STORED. A SLIGHT VEHICLE VIBRATION/SHUTTER WITH LIGHT ACCELERATION AT LOW SPEEDS; AT TIMES ENGINE RPM GOES UP (ABOUT 200-250 RPM) DURING THE 3RD>4TH UP SHIFT, OR THE 4TH>5TH UP SHIFT; ENGINE BRAKING FEEL IS MORE THAN EXPECTED WITH DECELERATION; THE 2ND>1ST DOWN SHIFT IS HARSHER THAN EXPECTED. *PE UPDATED ON 6/15/2011. *KB