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Service bulletin TSB-21-54-004

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 id10203258
Published by NHTSA2021-11-06
Manufacturer's numberTSB-21-54-004
Manufacturer's date2021-10-05
NHTSA componentELECTRICAL SYSTEM:HORN

NHTSA's summary

This Technical Service Bulletin was sent to dealers updating content for the Chassis Electrical section of the affected Service Manuals, Horn removal and installation.

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

Vehicles listed
MITSUBISHI MIRAGE2014, 2015
MITSUBISHI MIRAGE2018
MITSUBISHI MIRAGE2020, 2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20155792015-12-04. Electrical
15V8150002015-12-04. AIR BAGS:FRONTAL; ELECTRICAL SYSTEM:WIRING

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TECH TALK 2902026-03-04. Other. Tech Talk is a service newsletter that was sent out to dealers. It covers various topics and reviews the previous months publications.
TECH TALK 2872025-08-08. Other. Tech Talk is a service newsletter that was sent out to dealers. It covers various topics and reviews the previous months publications.
TSB-16-54-001REV2024-08-07. Service bulletin. This Technical Service Bulletin instructs the dealer to update the Hands Free Module software to improve the Bluetooth connection when certain devices are connected to Wi‐Fi.
TECH TALK 2792024-04-04. Service bulletin. Tech Talk is a service newsletter that was sent out to dealers. It covers various topics and reviews the previous months publications.
TSB-23-90-0022023-12-06. Service bulletin. This Technical Service Bulletin provides service manual corrections to the harness wire diameter and circuit diagram color changes in the Roof Harness, Plug Harness and Control Harness sections of the applicable Service Manual.
TSB-21-52B-0032021-11-06. Service bulletin. This Technical Service Bulletin was sent to dealers updating content for the Supplemental Restraint System (SRS) section of the affected Service Manuals, Side Impact Sensor.
TIN-21-00-0042021-09-09. Service bulletin. This Technical Information Notice was sent to dealers informing them Owner Manuals (OM) are now available electronically beginning with Model Year 2015.
54-MG-01-162021-05-24. Service bulletin. SRS-CONNECTOR CORROSION-SAFETY RECALL CAMPAIGN.
SC-16-001REV22020-12-08. Service bulletin. This Service Campaign Bulletin was sent as a revision to SC-16-001REV instructs dealers to reprogram the ECM with new software on all affected vehicles. In rare cases, if the vehicle exhibits an engine knocking noise, the engine may need to be replaced.
TT2012020-01-24. Service bulletin. This is a service newsletter (Tech Talk) that was sent out to dealers.