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Service bulletin ITB-12-038

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 id10044444
Published by NHTSA2012-07-03
Manufacturer's numberITB-12-038
Manufacturer's date2012-07-12
ReplacesITB-12-038-A
NHTSA componentSERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

NHTSA's summary

INFINITI: WARNING LIGHT IS ON FOR 4 WHEEL ACTIVE STEER (4WAS) WHICH IS RELATED TO ABS ACTUATOR. DTC-C1631, C1930, C1138, C1A04. *PE UPDATED 7/18/12. *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

Brakes, Transmission and driveline, Anti-lock brakes, Transfer case

Trouble codes named

C1138, C1631, C1930, C1A04

Vehicles listed
INFINITI M372011

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
ITB-10-056-A2012-10-17. Service bulletin. INFINITI: INFORMATION PROVIDED REGARDING ACCURATE DIAGNOSIS OF ABS/VDC WHEEL SPEED SENSORS ON CERTAIN VEHICLES. MODELS 2007-2013 INFINITI. *PE