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Service bulletin PIP5563

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 id10137195
Published by NHTSA2018-05-21
Manufacturer's numberPIP5563
Manufacturer's date2018-03-22
NHTSA componentELECTRICAL SYSTEM:WIRING; ENGINE

NHTSA's summary

This Preliminary information communicates of possible chafed wire in the engine harness that is routedon top of the trans assembly.

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, Engine, Wiring and fuses

Vehicles listed
GMC TERRAIN2018

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
19NA1812022-05-31. Service bulletin. This technical bulletin provides a procedure to locate and repair the engine wiring harness.
PIT57482020-08-10. Service bulletin. This preliminary information makes the technician aware of a trailer lighting concern if the incorrect harness is used to wire trailer.
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.
18NA0922018-05-21. Service bulletin. This technical bulletin provides a procedure to repair a bad terminal and re-route the harness to prevent the future event of Radio Audio Randomly Cuts Out DTC U18B4 - Lost Communication with Radio on Ethernet Bus from happening again.