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Service bulletins for the 2018 Mitsubishi Outlander

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.

145 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
CustomerLetterSC2018-11-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This is a letter sent out to customers, informing them of the sub-BMU reprogramming Service Campaign.
ATIN18SC001A2018-11-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This is an Advance Technical Information Notice sent to dealers, to inform them of a sub-BMU reprogramming Service Campaign.
SC180012018-11-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This is a Service Campaign Bulletin sent to dealers. This bulletin supersedes TSB-18-54-005, issued July, 2018. The bulletin informs dealers that updated software for the sub-BMU was released to address the additional DTC P0AA9 (Leak Sensor Detection Circuit.) The bulletin also revises the production date of affected vehicles, software, data and warranty information.
TIN1854004REV2018-11-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This is a Technical Information Notice sent to dealers. The bulletin informs them the communication problem described in TIN-18-54-004 has been resolved with MEDIC Update 558, released on October 4, 2018. The update deployed the latest software database version SEW18061-02.
TIN18540042018-11-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This is a Technical Information Notice sent to dealers. The notice informs dealers that a communication problem may exist with the software update that was released with TSB-18-54-005, back in July 2018. Dealers are instructed to refrain from performing that software update until further notice.
TSB18540092018-10-09. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT; ELECTRICAL SYSTEM. This is a Technical Service Bulletin sent to dealers. This bulletin provides instructions for replacing the Display Audio 2 systems exhibiting one or more of the following conditions in cold temperatures: 1) No sound from the audio unit; 2) Audio unit will not switch from radio mode; 3) Audio unit receives an AM/FM signal, but not HD.
TSB18540052018-09-04. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER; SERVICE BRAKES. This is a Technical Service Bulletin sent to dealers, instructing them to reprogram affected vehicles' sub-BMU with updated software. Due to inappropriate programming, the sub-BMU may falsely judge the leak detection circuit as faulty by picking up electrical noises from operation of the drive selector, brake application, or air conditioner operation. This may cause several malfunction indicators to illuminate, including: Engine Malfunction, EV System Service Required, and RBS (Regenerative Brake System), with Diagnostic Trouble Codes (DTCs) P0AA7 and P0AA8 (Leak Sensor Detection Circuit). This condition is accompanied by a decrease in vehicle power and vehicle speed being restricted to maximum of 37mph (60 km/h).
TIN18230032018-09-04. Service bulletin. ENGINE AND ENGINE COOLING. This is a Technical Information Notice sent to dealers, informing them that this TIN supersedes TIN-18-23-001 and TIN-18-23-002, to state that the collection of parts requested in those documents has been completed--MMNA has now collected enough complete sets of CVT fluid coolers with hoses and clamps for a sufficient coolant investigation. Dealers are to follow the normal diagnostic and repair procedures for coolant leakage from CVT hoses.
TSB-18-54-0042018-07-16. Service bulletin. ELECTRICAL SYSTEM. This is a Technical Service Bulletin sent to dealers. It informs dealers that a software update is available, and instructions for performing the software update, for the Smartphone Link Display Audio built by JVC Kenwood. This update resolves several issues that may occur in various models. These issues include audio-related concerns, language translation error on the display in French, MPG (miles per gallon) displayed on screen instead of ?fuel consumption,? and EV charge cost history is occasionally erased when power switch is turned On or Off.
TSB-18-23-0012018-07-16. Service bulletin. ELECTRICAL SYSTEM. This is a Technical Service Bulletin sent to dealers. It instructs dealers to reprogram the AWC ECU with updated software to correct an issue, on certain vehicles, where the ETACS may transmit an incorrect signal, resulting in the 4WD warning indicator illuminating and DTC U0431 may be stored.
TSB-18-52A-0012018-05-14. Service bulletin. SEAT BELTS:FRONT. This is a Technical Service Bulletin sent to dealers. Customers may report the front seat belt fraying as a result of being caught under the seat reclining adjusting lever. This TSB instructs dealers how to replace the front seat belt and reclining adjusting lever (driver and/or passenger side) with a countermeasure part, to prevent fraying of the seat belt should it get caught under the lever, on affected vehicles.
TIN-18-13-0012018-04-16. Service bulletin. EQUIPMENT:MECHANICAL. This is a Technical Information Notice sent to dealers. This notice informs dealers how to address stored DTCs (including P0657) in extremely cold ambient temperatures. Dealers can remedy this by replacing the throttle actuator control (TAC) relay.
TIN-18-52A-0012018-04-16. Service bulletin. SEATS:FRONT ASSEMBLY:POWER ADJUST. This is a Technical Information Notice sent to dealers. It addresses the slight intermittent movement in the vehicle's driver side power seat. The notice refers dealers to TSB-17-52A-003 if vehicle was built before production dates 03/01/2016 (2.4L) and 03/03/2016 (3.0L). The vehicles after these production dates already have the countermeasure part. A DPSM PWA is required for replacement of the driver seat adjuster on affected vehicles.
TIN-18-00-0042018-04-16. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. This is a Technical Information Notice sent to dealers. This notice instructs and informs dealers the importance of using electrical insulated gloves while servicing an i-MiEV or Outlander PHEV. The notice provides guidelines how to properly maintain electrically insulated gloves.
TIN-18-23-0012018-03-26. Service bulletin. EQUIPMENT. This is a Technical Information Notice sent to dealers, it informs dealers of leaking water hoses on the CVT8 fluid coolers. The notice instructs dealers to leave water hoses and clamps undisturbed, this will help MMC perform a duplication test to confirm the area of leakage.
TT2372018-03-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This is a service newsletter (Tech Talk) that was sent out to dealers.
MEDICUpdate5172018-03-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This is a message sent to dealers, to inform them that an update for MEDIC will be available.
1-2018-HV-Batter2018-03-12. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This is a letter sent to dealers, to inform them of a repair or replacement process for HV batteries.
18VINsNov2018-01-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This is a VIN Decoder Chart sent to dealers, to inform them how to decode Vehicle Identification Numbers for 2018 model year MMNA vehicles.
TIN17310022018-01-29. Service bulletin. EQUIPMENT. This is a Technical Information Notice sent to dealers, to inform them a white torque check paint mark has been added onto each black wheel lug and lock after it has been properly torqued to specification. Dealers must immediately clean off all white paint marks using a wash cloth when taking receipt of the vehicles.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.