2018 Subaru Impreza Technical Service Bulletins

528 technical service bulletins (TSBs) are on record for the 2018 Subaru Impreza. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10140490Feb 19, 2018Equipment, Electrical system. This bulletin announces availability of new audio system amplifiers to address the following operating concerns with the Harman Kardon Gen 3 infotainment system: Symptom 1: No audio output is heard but, the volume level displayed changes when turning the knob Symptom 2: Audio volume increases to maximum intermittently without turning the knob Symptom 3: A buzzing, screeching or crackling-type sound is heard coming…
• 10140475Feb 19, 2018Equipment. This bulletin announces availability of new audio system amplifiers to address the following operating concerns with the Harman Kardon Gen 3 infotainment system: Symptom 1: No audio output is heard but, the volume level displayed changes when turning the knob Symptom 2: Audio volume increases to maximum intermittently without turning the knob Symptom 3: A buzzing, screeching or crackling-type sound is heard coming…
• 10140489Feb 15, 2018Equipment, Electrical system. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3 Audio and Navigation head units utilized in the models as listed above. The procedure will involve either downloading the software update files from Subarunet (or using those sent directly from Nuspire) and transferring them onto a flash drive for head unit…
• 10140474Feb 15, 2018Electrical system, Equipment. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3 Audio and Navigation head units utilized in the models as listed above. The procedure will involve either downloading the software update files from Subarunet (or using those sent directly from Nuspire) and transferring them onto a flash drive for head unit…
• 10130271Jan 30, 2018Tires. This bulletin announces availability of reprogramming files to optimize operation of the Tire Pressure Monitor System?s (TPMS) real-time display function. Under certain high-altitude conditions, the tire pressure values displayed in the combination meter may not be accurate.
• 10130281Jan 24, 2018Equipment. 50TH ANNIVERSARY EDITIONS ONLY. This Service Information bulletin provides detailed part information along with installation instructions for the optional 2018MY 50th Anniversary badges designed to commemorate 50 Years of Subaru in America.
• 10130207Jan 23, 2018Equipment. Post launch conditions may occur where certain combinations of inputs result in undesirable outputs. As such it is critical to gather all the details surrounding these events to allow SBR and Harman the ability to duplicate and then evaluate what is needed and then improve the system accordingly to prevent the undesired outcome in the future.
• 10130279Jan 16, 2018Equipment. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
• 10130286Jan 15, 2018Equipment. The content of this ?Technical Support Guide? is based mostly on the respective region?s owner?s manual supplements for the Gen3.0 infotainment (HARMAN model Navigation/Audio) system.
• 10130277Jan 11, 2018Body and structure. ( 2017-2018MY Impreza - 5 Dr Only)
• 10138775Dec 19, 2017Electrical system, Equipment. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3 Audio and Navigation head units utilized in the models as listed above. The procedure will involve either downloading the software update files from Subarunet (or using those sent directly from Nuspire) and transferring them onto a flash drive for head unit…
• 10138778Dec 15, 2017Electrical system, Air bags, Equipment. NOTE: The Airbag systems used on previous and current WRX, STI and Tribeca models are NOT equipped with EDR functionality. This Bulletin provides information regarding Event Data Recorder (EDR) functionality which has been incorporated into the airbag system. The function of the EDR is best explained using the following statements found in the vehicle Owner?s Manual: ?This vehicle is equipped with an event data…
• 10131688Oct 23, 2017Electrical system. A design improvement has been made to the warning box assembly for improved responsiveness. The warning box is located inside the overhead map light assembly as shown in the illustrations below. The warning box part number has also been changed. On affected vehicles, the passenger?s airbag ON/OFF indicator flashes, the airbag warning lamp illuminates and DTC B1661: ?PASSENGER?S AIRBAG ON/OFF INDICATOR FAILURE? is…
• 10131632Sep 11, 2017Engine cooling. This bulletin announces part information for new Active Valve Control System (AVCS) oil control solenoid valves (OCV) which contain a redesigned internal oil seal. The new seal will eliminate potential oil seepage into the wire harness connector portion of the valve. If oil seeps into the connector, over time, the Check Engine lamp may illuminate and set various AVCS-related DTCs.
• 10117550Aug 10, 2017Equipment. Note: This is the most accurate information available at the time of printing. Various paint manufacturers designate their own stock numbers and coding information although many of the major suppliers are now using the SOA paint codes to help eliminate possible confusion. Their color formulations are updated on a continual basis. Some vendors may have different color names than those provided to them by SOA.
• 10182589Aug 12, 2016Equipment, Engine. This Service Information bulletin provides new inspection and repair procedures for AVCS (Active Valve Control System) -related DTCs on the FA and FB engine equipped models listed above. The applicable Service Manuals will be revised with this new information in the near future.
• 10232535Jul 17, 2014Electrical system. Replacement Key and Immobilizer Info
• 10232507Jun 16, 2014Equipment. Diagnosis and Repair for AVCS-Related DTCs
• 10234841May 20, 2014Other or unknown, Air bags, Equipment. Event Data Recorder (EDR) Function of Airbag Module
• 10233428Apr 22, 2014Brakes, Exterior lighting. This bulletin provides a revised adjustment procedure to be used when diagnosing Brake Light Switch (BLS) -related DTCs C1531 and/or C0054. If the BLS is out of adjustment, the ABS and/or VDC warning lamp may illuminate.
• 10232894Mar 7, 2014Engine cooling. Effective with all 2015 model year cars and forward, the oil change interval is changing to 6,000 miles or 6 months, whichever comes first.
• 10234829Jan 15, 2014Fuel system. Repair Procedure for High-Pitched Sound from Extension Housing Area Using Latest Generation Production Parts
• 10234828May 22, 2013Transmission and drivetrain. This Bulletin provides production change, repair procedure and parts information to address a customer concern of a high-pitched sound coming from the transmission extension housing area.
• 10233119Apr 25, 2013Engine cooling. Oil Filler Cap Gasket Coming Unseated
• 10233435Mar 18, 2013Air bags. Event Data Recorder (EDR) Function of Airbag Module
• 10232869Feb 19, 2013Other or unknown, Equipment. Puddle Light Recall
• 10234832Jan 10, 2013Equipment. Additional PDI Procedure for Installation of Tie-Down Hole Plugs
• 10234260Dec 13, 2012Electrical system. Repair Procedure for High-Pitched Sound from Extension Housing Area Using Latest Generation Production Parts

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