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Service bulletin 18NA025

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 id10139271
Published by NHTSA2018-06-04
Manufacturer's number18NA025
Manufacturer's date2018-01-24
NHTSA componentELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:WIRING

NHTSA's summary

This technical bulletin provides a procedure to reposition the instrument panels wiring harness and trim floor liners if not fitting properly after the harnesses have been repositioned.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Instrument cluster, Wiring and fuses

Vehicles listed
CADILLAC ESCALADE2018
CADILLAC ESCALADE ESV2018
CHEVROLET TAHOE2018
GMC YUKON2018
GMC YUKON XL2018

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
07-08-49-020R2023-10-18. Service bulletin. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
PIT5195G2022-06-13. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
070849020M2021-04-16. Service bulletin. IPC Odometer Programming Method Quick Reference Guide
17-NA-3372021-04-15. Service bulletin. All or Some Options May Be Missing from Driver Information Center (DIC) “Info Pages” Menu Due to Them Not Being Selected Condition Some customers may comment that with the “Info” option selected from the main menu (1), the “Info Pages” are blank (2) when scrolling up and down. If information is present when scrolling up and down, they may also comment that certain items are missing when compared to other like vehicles Cause This condition may be caused when all/some of the options not being selected in the “active info pages” menu. Correction If this concern is encountered, determine if all/any of the selections in the “active info pages” menu are not selected. To do this, follow the steps listed below.
20NA2122021-02-22. Service bulletin. This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.
PIT5311F2020-08-10. Service bulletin. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver Information Center. Technician will inspect and clean the ground wire (normally white wire) connection on the trailer side of the 7-pin connector. Inspect that the wires inside the trailer side connector are clean and securely fastened. If the vehicle?s 7-way connector socket terminals are deformed or have excessive wear, it will be necessary to replace the truck side connector with part number 23404450.
060089029T2020-06-22. Service bulletin. This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
060089029S2020-06-22. Service bulletin. This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
20NA0372020-04-27. Service bulletin. This technical bulletin is providing a procedure to add additional sealant after repairing a trailer wiring harness with the condition of Unable to Start/Shut Off Vehicle, Extended Engine Crank Prior to Start, Battery Drain, Tail Lamps Inoperative, Unintended Brake Pedal Movement During Operation, and/or Traction Control/Stability System/ABS Indicators Illuminated due to water intrusion.
PIT5195E2019-06-03. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.