Diagnostic Tips | Subaru

FOTA (Firmware Over-The-Air) Reprogramming for DENSO Gen 4.5 Audio Navigation Infotainment Systems via DCM – 2023 Subaru Outback & Legacy / Ascent

November 6, 2023 by oemdtc

NHTSA ID Number: 10238458 Manufacturer Communication Number: 15-311-23 Summary This bulletin provides instruction for use of a new reprogramming procedure to optimize the Denso Gen 4.5 Audio and Navigation system utilized in the models listed. NUMBER: 15-311-23 DATE: 06/23/23 APPLICABILITY: 2023MY Outback & Legacy 2023MY Ascent SUBJECT: FOTA (Firmware Over-The-Air) Reprogramming for DENSO Gen 4.5 Audio …

Data Control Module (DCM) Dark Current Diagnosis – 2016-2018 Subaru

November 6, 2023 by oemdtc

NHTSA ID Number: 10238460 Manufacturer Communication Number: 15-312-23R Summary This bulletin announces repair procedures to be used when diagnosing dark current draw (parasitic draw) on vehicles equipped with Gen 1 Data Control Modules. NUMBER: 15-312-23R DATE: 06/26/23 REVISED: 06/28/23 APPLICABILITY: 2016-18MY Crosstrek 2016-18MY Forester 2016-18MY Impreza 2016-18MY Legacy & Outback 2017-18MY WRX SUBJECT: Data Control Module …

Diagnosis Procedures for DTCs P2404 & P2109 – 2022 Subaru WRX

November 2, 2023 by oemdtc

NHTSA ID Number: 10238463 Manufacturer Communication Number: 09-102-23 Summary This bulletin announces the diagnostic procedures and availability of reprogramming files to rectify DTCs P2404 (Evap System Leak Detection Pump Sense Circuit Range/Performance) and P2109 (Throttle/Pedal Position Sensor “A” Minimum Stop Performance). NUMBER: 09-102-23 DATE: 06/28/23 APPLICABILITY: 2022MY WRX SUBJECT: Diagnosis Procedures for DTCs P2404 & P2109 …

Diagnostic Procedures for DTCs P0016, P0017, P0018 and P0019 – 2013 Subaru Impreza 2.0L & XV Crosstrek

October 30, 2023October 30, 2023 by oemdtc

NHTSA ID Number: 10235847 Manufacturer Communication Number: 1122713R Summary ECM Reprogramming Availability for DTCs NUMBER: 11-127-13R DATE: 01/16/13 REVISED: 01/21/13 APPLICABILITY: 2013MY Impreza 2.0L NA Models 2013MY XV Crosstrek™ SUBJECT: ECM Reprogramming Availability for DTCs P0017 & P0019 Diagnostic Procedures for DTCs P0016, P0017, P0018 and P0019 INTRODUCTION This Bulletin announces a diagnostic procedure and …

Judder Concern During Low-Speed Acceleration – 2019-2021 Subaru Ascent

October 9, 2023 by oemdtc

NHTSA ID Number: 10235310 Manufacturer Communication Number: 16-140-23 Summary This bulletin announces availability of new reprograming files for the Transmission Control Module (TCM) to address judder a sensation possibly accompanied by a vibration-type sound when accelerating from slow speeds. NUMBER: 16-140-23 DATE: 04/26/23 APPLICABILITY: 2019-21MY Ascent SUBJECT: Judder Concern During Low-Speed Acceleration INTRODUCTION: This bulletin …