This bulletin announces the new procedure and Warranty Fail Code for FirstTime air conditioning (A/C) performance concerns possibly resulting from an undetected A/C refrigerant leak.
full bulletin at NHTSA ↗2009 Subaru Outback electrical problems
moderate 23 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Failure mileage
Complaints
23
Recalls
0
Avg fix
$850
1fire
When does it fail?
Of the 23 electrical complaints filed for the 2009 Subaru Outback, here's the actual mileage breakdown — failures cluster heaviest at 100,000-125,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Electrical accounts for 21% of all owner complaints filed against this vehicle, across 11 categories tracked.
No new NHTSA electrical complaint has been filed on this vehicle in over 9 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This bulletin contains information to help when attempting to complete the STARLINK Telematics subscription process, an Error Code 202 and / or 204 may occur preventing the process from completing successfully
full bulletin at NHTSA ↗This Service Information Bulletin was developed to provide interim guidance for 2026 model year vehicles exhibiting DTC B2A20 with gen 4 Telematics.
full bulletin at NHTSA ↗This bulletin announces the new procedure and Warranty Fail Code for FirstTime air conditioning (A/C) performance concerns possibly resulting from an undetected A/C refrigerant leak.
full bulletin at NHTSA ↗This Subaru service and technical support line newsletter provides information on the next phase of TechShare.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The dominant complaint across these 23 narratives is premature failure of the rear hatchback wiring harness. Owners describe wires in the flexible rubber boot connecting the hatch to the vehicle body breaking or becoming brittle and severed after opening and closing the hatch during normal use. The failure point is consistent: the upper right passenger-side boot where the harness flexes. Owners document 4 to 13 wires per vehicle either fully broken or with worn insulation exposing bare copper. This causes rear wiper, rear door lock, brake lights, tail lights, and license plate lights to fail or work intermittently. Repair costs run $225 to $500+ in labor, with one owner charged $588.67 total. Owners report this is a well-known issue on forums and within Subaru dealerships, yet no recall has been issued.
Secondary issues include unexplained stalling while driving at various speeds, with warning lights flickering and hard restarts, persisting despite dealer diagnostics and MAP sensor replacement. Headlights malfunction or require bulb replacement multiple times in short periods. One owner reports an airbag warning light triggered by cold weather. One isolated complaint describes a fire under the hood following electrical issues in rain. Owners express frustration that Subaru has not acknowledged these as design flaws or offered recalls.
Same Subaru Outback electrical reports on nearby years: 2007 · 2008 · 2010 · 2011 · 2012
Failure modes owners describe
Rear hatch wiring harness degradation and wire breakage
Wires in the flexible rubber boot connecting the rear hatchback to the vehicle body work-harden and break due to repeated flexing. Owners report 4 to 13 wires severed or insulation worn and brittle in the same location (upper right passenger side boot between body and hatch). Wire breakage occurs during normal use of opening and closing the hatchback.
When: Failures reported from 35,000 miles onward; one owner experienced recurrence at 72,000 miles after initial repair at 35,251 miles
Symptoms owners cite: Rear wiper motor not working; Rear door/hatch lock not engaging or intermittently failing; Rear brake lights and tail lights not working; License plate lights not working; Rear defroster not working; Radio static or AM reception loss; Blown fuses on door lock circuit (recurring); Melted wires visible inside boot
Repairs/costs cited: Dealership repair costs $225–$500+ labor; parts (wiring harness) $63–$88.80. Some owners attempted self-repair after identifying the issue online. Repairing by resoldering reported to not guarantee against recurrence.
Recalls/TSBs owners mention: No recall issued as of complaint dates. Subaru customer care line referenced by dealer in one complaint; owner reports no official Subaru response to this well-documented design flaw.
Stalling and hard restart with warning lights
Engine shuts off while driving at low speed (5–20 mph) or highway speed without warning. Check engine, traction control, and cruise control warning lights flicker on and off. Vehicle difficult or slow to restart; rough idle upon restart, then returns to normal. Some instances involve no diagnostic codes stored in ECU.
When: Reported at 81,000 miles; episodes recur over months of ownership
Symptoms owners cite: Engine stalls without warning during acceleration or at constant speed; Warning lights (check engine, traction control, cruise control) flicker or illuminate; Difficult restart or multiple restart attempts needed; Rough idle after restart; All lights flash on during stall event
Repairs/costs cited: Dealership replaced MAP sensor and wiring in one instance; stalling resumed within a week. Mechanics unable to recreate problem for diagnosis. Extended dealer investigation (2 months on and off) without resolution.
Headlight malfunction
Headlights inoperative or behaving erratically in normal on/off positions; bulbs replaced multiple times within short intervals (four times in two years). One owner reports headlights not illuminating in either off or on position but lighting when switch moved between headlight and running light modes.
When: Bulb replacements occur frequently; behaviors reported over 2-year periods
Symptoms owners cite: Headlights will not turn on in normal on position; Headlights inoperative in off and on positions; Erratic headlight behavior tied to switch position transitions; Frequent bulb burnout (four replacements in two years)
Repairs/costs cited: Bulb replacement only; underlying electrical issue not diagnosed in complaints. One dealer acknowledged awareness of poor low-beam illumination but stated it is an engineering design choice.
Recalls/TSBs owners mention: Dealer stated no problem exists; engineering decision cited for low-beam inadequacy.
Airbag warning light illumination (cold weather)
Airbag/SRS warning light in combination meter illuminates and remains on, particularly in cold weather. Multiple owners report this as a known issue on web forums; Subaru stated to have no response.
When: Cold weather conditions trigger repeated illumination
Symptoms owners cite: Airbag warning light illuminates and stays on; Pattern tied to cold weather
Repairs/costs cited: Mechanics reset warning light; no repair of underlying cause documented in complaints
Fuel system or ignition-related stalling (unconfirmed)
One complaint mentions belief in faulty ignition causing shutdown; another mentions end switch replacement recommendation. These are isolated reports without clear confirmation of root cause.
When: One instance reported at 115,000 miles
Symptoms owners cite: Vehicle failure to restart after parking; Multiple attempts needed to start vehicle
Repairs/costs cited: End switch replacement mentioned by tow truck mechanic; not yet performed by owner at time of complaint
Under-hood fire event (isolated)
One owner reports a loud noise and fire under hood during cold rain. Complaint mentions dashboard lights behavior preceding the incident but lacks detail.
When: Occurred following wet weather and dash light behavior
Symptoms owners cite: Dashboard lights would not turn off in rain; Loud noise under hood; Fire under hood
Synthesized from 23 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 4 most recent
After fuses blown repeatedly and replaced, rear wiper, washer pump and lock ceased to operate for perhaps a year. Recently the headlights got real funky - would not operate in normal "on" position. But then some strange behavior when shifted into reverse (ignition on without starting to allow shifting). Headlights still not lit in either off or on position, but then came on as switch moved back…
There is a well documented faulty design issue that leads to failure of the wiring harness (rear gate cord) to the rear wagon door/gate of this model Subaru ouback wagons. Failure of the wiring harness has affected me while driving the vehicle. As this issue has progressed, more and more wires break, completely severed, and lead to the rear lock not working, then backup lights not working,…
The rear gate wiring harness failed, causing rear brake lights and tail lights to stop working. Without replacing the rear gate wiring harness ($88.80 parts + $448.80 labor + 51.07 tax) soon the rear wiper and defrost would not work and the back hatch would lock. This is a serious safety issue, I want to see a recall and reimbursement of $588.67 from Subaru of america.
Rear gate electrical cord premature failure at rubber accordion bend
Had electrical trouble with your 2009 Subaru Outback?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2009 Subaru Outback?
It's a documented issue but not catastrophic. 23 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Across the 18 complaints that reported odometer mileage, most electrical failures cluster between 62,000 and 118,000 miles, with the median around 113,000. A quarter of owners report trouble before 62,000; a quarter make it past 118,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2009/Subaru/Outback.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.