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Service bulletin 15684

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 id10089883
Published by NHTSA2017-01-30
Manufacturer's number15684
Manufacturer's date2015-08-26
NHTSA componentELECTRICAL SYSTEM:WIRING; ENGINE

NHTSA's summary

15684 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSPECT AND, IF NECESSARY, REPOSITION THE MAIN ENGINE-WIRING HARNESS ON CERTAIN 2016 MODEL YEAR CADILLAC ATS-V VEHICLES. IN SOME OF THESE VEHICLES, THE ORIENTATION OF THE MAIN-ENGINE WIRING HARNESS COULD CAUSE THE WIRES TO CONTACT AND CHAFE AGAINST THE RIGHT-FRONT VALVE COVER BOLT AND WASHER. IF THE ENGINE-WIRING HARNESS INSULATION IS COMPROMISED, THE VEHICLE’S TACHOMETER, POWERTRAIN, AND AUTOMATIC-BRAKING SYSTEMS COULD BE EFFECTED. WHILE THIS CONDITION COULD—IF UNCORRECTED—CAUSE A LOSS OF PROPULSION OR THE ACTIVATION OF THE AUTOMATIC BRAKING SYSTEM, GM HAS NO REPORTS INDICATING THAT EITHER EVENT HAS OCCURRED ON A VEHICLE IN THE FIELD.

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

Electrical system, Engine, Wiring and fuses

Vehicles listed
CADILLAC ATS-V2016 (the catalog's model; the bulletin names a series or trim of it)

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
100089005G2019-05-13. Service bulletin. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
100089005H2019-03-18. Service bulletin. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
180252018-10-09. Service bulletin. 18025 - Customer Satisfaction Program - Certain vehicles may have been built with an owner manual and label which provide inaccurate information about one of the vehicle?s electrical centers. Remove and install the replacement electrical center fuse identification label. Print the applicable replacement owner manual section and insert into vehicle owner manual.
10-00-89-005E2018-05-21. Service bulletin. This warranty administration bulletin adds the 2016 model year to a communication which provides dealership personnel revised wiring repair labor operations and required additional information.
10-00-89-005F2017-10-05. Service bulletin. This informational bulletin provides warranty policy information on revised wiring repair labor operations and required additional information.
17-NA-1022017-08-15. Service bulletin. This technical bulletin provides a procedure to replace the active shutter wiring harness to correct the codes that may have set .
PI1519B2017-08-15. Service bulletin. This preliminary informational bulletin provides a procedure to complete a wire to wire repair on vehicles with the condition of Stop/Start System Malfunction or DTC P1064, P1065, P1066, P1068, P1069, P1070, P1074, P1077, P1078, P1079, P107A, P107B, P107C, P107D, P107E, P107F, P108A, P108B, P108C, P108D, P108E or P108F Set