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 ↗2006 Subaru Outback electrical problems
moderate 34 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Failure mileage
Complaints
34
Recalls
0
Avg fix
$850
1fire
When does it fail?
Of the 34 electrical complaints filed for the 2006 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
Owners have filed 34 electrical complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
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 2006 Subaru Outback electrical complaints center on a critical drive-by-wire throttle failure. Owners report the check engine light and blinking cruise control light appearing suddenly, followed by complete loss of accelerator response. The car enters limp mode, coasting to a near-stop on the highway. A restart temporarily fixes it, but the issue recurs without warning—sometimes weeks later, sometimes within days. The problem throws diagnostic code P2138 (throttle position sensor). Owners describe the pedal assembly as the culprit, though some require throttle body replacement. A few report the WVU31 recall update as a potential fix, but success varies.
A secondary but persistent issue involves the tailgate wiring harness. The rubber accordion boot between the body and tailgate fails, breaking wires that control the rear wiper, brake lights, license plate lights, backup lights, and tailgate latch. Forum research by owners suggests this is endemic to 2005–2006 models.
Airbag systems fail when solder joints on the notification board crack, disabling the entire airbag system or the warning indicator light. Dashboard lights don't illuminate properly, and climate control (heat, AC, defrost) shuts down unexpectedly while driving—possibly linked to bad solder joints in the radio/control assembly.
Same Subaru Outback electrical reports on nearby years: 2005 · 2007 · 2008 · 2009
Failure modes owners describe
Electronic Throttle System Failure (Drive-by-Wire)
The electronic throttle control system loses communication or function, causing sudden loss of engine power and acceleration. The vehicle enters a limp or safe mode, requiring a restart to restore function.
When: 95,000–160,000 miles; occurs intermittently without warning; more common in cold/humid conditions
Symptoms owners cite: Check engine light illuminates; Cruise control light flashes or blinks; Accelerator pedal becomes unresponsive; Engine idles at normal or elevated RPM (2,000–3,000 RPM); Vehicle loses speed or coasts when loss occurs; Vehicle enters limp mode with severely reduced power; Engine stalls in some instances; Problem resolves temporarily after restart; recurs intermittently
Codes mentioned: P2138
Repairs/costs cited: Replacement of throttle pedal assembly ($199–$260 reported); electronic throttle body replacement also cited; reseat wiring harness on gas pedal as temporary fix; problem recurs on some vehicles despite repair
Recalls/TSBs owners mention: WVU31 recall update mentioned by mechanic in one complaint; Subaru reportedly has no official record of the failure in some dealer responses
Tailgate Wiring Harness Failure
Wires in the rubber accordion boot connecting the car body to the tailgate break, fray, or corrode, causing loss of function in rear lights and latch systems.
When: Not specified; affects 2005–2006 Subaru Outbacks
Symptoms owners cite: Rear wiper ceases to function; Upper brake light failure; License plate light failure; Backup light failure; Tailgate latch/lock failure; Frayed wires discovered during inspection
Repairs/costs cited: Broken and frayed wires replaced; owner reports online forums show many similar failures in this model
Airbag System Electronic Failure
Poor solder joints on the passenger airbag notification board (located in dome light assembly) crack, disabling the entire airbag system or causing the indicator light malfunction.
When: Not specified; more frequent in lower temperatures
Symptoms owners cite: Airbag indicator light does not illuminate correctly; Entire airbag system disabled; Solder cracks due to thermal contraction
Repairs/costs cited: Dealer repair quoted at approximately $260
Recalls/TSBs owners mention: Repeated recalls mentioned in narrative #1 (WVU31 and second airbag recall); Subaru reimbursed dashboard damage caused during repair
Dashboard Illumination Failure
Dashboard indicator lights do not illuminate, making gauges and warning indicators difficult or impossible to see while driving.
When: Early in vehicle life; reported at 2,600 miles
Symptoms owners cite: Dashboard indicators do not illuminate; Gauges and warning lights invisible
Recalls/TSBs owners mention: Manufacturer stated design flaw with no available solution
Climate Control and Defrost Failure
Heating, air conditioning, and front window defrost stop working while driving. Suspected cause is bad cold solder joints in the radio/climate control assembly.
When: Not specified
Symptoms owners cite: No heat output; No air conditioning; Defrost stops working while driving; Systems controlled through radio interface
Aftermarket Trailer Wiring Harness Fire
An aftermarket trailer wiring converter unit (Draw-Tite model 17499-101) shorted out and caused an underhood fire due to electrical failure in the conversion circuit.
When: Not specified
Symptoms owners cite: Converter unit shorted out; Fire in engine compartment; Risk of total vehicle loss if not detected immediately
Repairs/costs cited: Aftermarket Draw-Tite converter model 17499-101 caused the failure; owner could not reach manufacturer
Hatchback Wiring Harness Corrosion/Breakage
Wires in the hatchback area corroded or broke, affecting rear electrical functions including license plate lights, radio antenna, and potentially all taillights.
When: Present at time of purchase; not corrected by dealer
Symptoms owners cite: License plate lights inoperative; Radio antenna malfunction; Potential taillight failure
Repairs/costs cited: Issue was present when car was purchased; owner was not notified at point of sale
Synthesized from 34 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
Tl* the contact owns a 2006 Subaru outback. While depressing the accelerator pedal, the vehicle failed to respond. While driving various speeds, the vehicle stalled and the check engine warning indicator illuminated on the instrument panel. The contact mentioned that the failure occurred intermittently. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure.…
Had electrical trouble with your 2006 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 2006 Subaru Outback?
It's a documented issue but not catastrophic. 34 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 29 complaints that reported odometer mileage, most electrical failures cluster between 75,000 and 118,724 miles, with the median around 100,000. A quarter of owners report trouble before 75,000; a quarter make it past 118,724. 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/2006/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.