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Service bulletin IB15-L-001A

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 id10083907
Published by NHTSA2016-11-03
Manufacturer's numberIB15-L-001A
Manufacturer's date2016-08-19
NHTSA componentFUEL SYSTEM, OTHER

NHTSA's summary

AN INVESTIGATION OF RETURNED NUMBER 1 AND 2 EGT SENSORS TO THE WARRANTY PARTS CENTER HAS IDENTIFIED A COMMON OCCURRENCE OF SENSORS BEING REPLACED WITH “NO TROUBLE FOUND” (NTF). IN ORDER TO BETTER SERVICE THE CUSTOMER AND STOP THE UNNECESSARY REPLACEMENT OF THESE SENSORS, ISUZU HAS PROVIDED THE FOLLOWING INSPECTION INFORMATION TO AID THE TECHNICIAN IN PROPERLY DIAGNOSING EGT SENSORS 1 AND 2.

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

Fuel system

Vehicles listed
CHEVROLET C SERIES2007 to 2009
CHEVROLET T SERIES2007, 2008, 2009
CHEVROLET W-SERIES2007 to 2010
GMC C SERIES2007 to 2009
GMC T SERIES2007, 2008, 2009
GMC W-SERIES2007 to 2010
ISUZU F-SERIES2007 to 2009
ISUZU N-SERIES2007 to 2017

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
05-06-04-022V2024-09-05. Service bulletin. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
16-NA-3832024-07-16. Service bulletin. This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
04-06-04-051I2024-07-16. Service bulletin. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
04-06-04-051H2023-08-28. Service bulletin. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
10-06-05-002K2022-10-11. Service bulletin. This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
05-06-04-022T2022-10-11. Service bulletin. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
05-00-89-072F2022-10-11. Service bulletin. This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.
04-06-04-051G2022-10-08. Service bulletin. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
03-06-04-017Q2022-10-08. Service bulletin. This service bulletin provides information on availability of Diesel Fuel additives.
150089004D2022-06-13. Service bulletin. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.