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Service bulletin 16-159-26

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 id11035653
Published by NHTSA2026-08-04
Manufacturer's number16-159-26
Manufacturer's date2026-07-23
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

This bulletin provides new diagnostic steps for DTC P0851 and P0852 to be used in conjunction with the applicable Service Manual.

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

Trouble codes named

P0851, P0852

Vehicles listed
SUBARU CROSSTREK2020, 2021, 2022, 2023, 2024, 2025
SUBARU FORESTER2022, 2023, 2024, 2025
SUBARU IMPREZA2020, 2021, 2022, 2023, 2024, 2025
SUBARU LEGACY2020, 2021, 2022, 2023, 2024, 2025
SUBARU OUTBACK2020, 2021, 2022, 2023, 2024, 2025

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

Recalls for the same vehicles and component
20236072023-11-09. Electrical
20234352023-08-04. Electrical
23V5510002023-08-04. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
20230622023-02-14. Electrical
23V0800002023-02-14. ELECTRICAL SYSTEM:12V/24V/48V BATTERY
22V4730002022-07-01. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); 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
SubaruNet Announcement (M2026-10-05. Other. This announcement provides information on a new software update for the Midtronics Dss and DCA machines.
SubaruNet Announcement (T2026-10-05. Other. This announcement provides information on an enhancement of the TechShare CVT diagnostic assitance application.
18-244-262026-10-05. Service bulletin. "This Bulletin announces additional troubleshooting steps for the following DTCs: DTC C1956: RH Actuator Circuit DTC C1957: LH Actuator Circuit"
15-333-25R2026-10-05. Service bulletin. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. This is an revised version of the original bulletin.
15-322-25R2026-10-05. Service bulletin. In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited Warranty coverage for the CP1 & Gen 3.1 Head Unit used in the listed models and model years to (8) eight years / 150,000 miles to cover certain qualifying repairs to the infotainment audio system. This is an revised version of the original bulletin.
15-304-22R2026-10-05. Service bulletin. This bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. This is an revised version of the original bulletin.
12-269-25R2026-10-05. Service bulletin. This bulletin announces the service procedures to be followed when encountering instances of water intrusion from the sunroof area.This is an revised version of the original bulletin.
15-343-262026-10-05. Service bulletin. "This bulletin announces a design change to the cord assembly that connects the Center Infotainment Display (CID) to the CCU, addressing reports of CID screen flickering."
12-269-25R2026-09-03. Service bulletin. This bulletin announces the service procedures to be followed when encountering instances of water intrusion from the sunroof area. This is an revised version of the original bulletin.
15-261-20R2026-09-03. Service bulletin. This bulletin announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1 Audio and Navigation head units utilized in the models listed.This is an revised version of the original bulletin.