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Service bulletin TSB-23-13-004

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 id10241921
Published by NHTSA2023-09-06
Manufacturer's numberTSB-23-13-004
Manufacturer's date2023-08-02
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This Technical Service Bulletin provides instructions to reprogram the ECU with the countermeasure software when the check engine light illuminates with DTC of P0401/ P0400.

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

Engine

Trouble codes named

P0400, P0401

Vehicles listed
MITSUBISHI OUTLANDER SPORT2019, 2020, 2021, 2022, 2023

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
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-22-16-001REV2023-12-06. Service bulletin. This Technical Service Bulletin supersedes TSB-22-16-001REV ("MIL illumination with DTC P030X and loss of power due to Fail Safe Mode") issued August 2023, to update the Affected Vehicle years and provide VIN cut-off information.
TSB-22-16-001REV2023-09-06. Service bulletin. This Revised Technical Service Bulletin was sent to dealers directing them upon customer complaint basis and after diagnosis, to replace the ignition coils of all cylinders with countermeasure parts when customers report a MIL illumination and a loss of engine power due to the vehicle being in fail safe mode. Unstable idling due to poor contact of the ignition coil terminal and DTC P030X may create this concern.
TSB-11-66-001REV2023-04-07. Service bulletin. This Technical Service Bulletin contains technical information and troubleshooting for the accessory Remote Engine Start system for affected vehicles.
TIN-23-66-0012023-04-07. Service bulletin. This is a Technical Information Notice informing dealers and parts managers about possible causes after a customer complains that the engine will not start while using the remote start system.
TSB-22-16-0012022-04-08. Service bulletin. This Technical Service Bulletin was sent to dealers directing them upon customer complaint basis and after diagnosis, to replace the ignition coils of all cylinders with countermeasure parts when customers report a MIL illumination and a loss of engine power due to the vehicle being in fail safe mode. Unstable idling due to poor contact of the ignition coil terminal and DTC P030X may create this concern.
TSB-22-16-0012022-04-07. Service bulletin. This Technical Service Bulletin was sent to dealers directing them upon customer complaint basis and after diagnosis, to replace the ignition coils of all cylinders with countermeasure parts when customers report a MIL illumination and a loss of engine power due to the vehicle being in fail safe mode. Unstable idling due to poor contact of the ignition coil terminal and DTC P030X may create this concern.
TIN-21-13-0012021-05-08. Service bulletin. This Technical Information Notice provides additional instructions to dealers when replacing the Valve Cover Gasket due to a customer concern of oil leaking.
TSB-20-15-0012020-11-06. Service bulletin. This Technical Service Bulletin was sent informing dealers a rattle noise may be heard from the Heat Protector of the Exhaust Manifold and instructs dealers to replace the Heat Protector Assembly with a new part.
TSB-20-14-0022020-09-14. Service bulletin. This TSB instructs dealers a condition where the coolant temperature warning light illuminates and a coolant leak is found at the hose connection and to replace the old hose clamp with a countermeasure clamp and to replace the old water hose with a new water hose.