All rear lights, rear hatch lock, brake lights all failed due to wiring going from the body to the hatch getting cut from the action of opening and closing the hatch door. This seems to be a pretty common thing with at least the 2005-2007 models years.
2007 Subaru Outback electrical problems
moderate 19 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
When does it fail?
Of the 19 electrical complaints filed for the 2007 Subaru Outback, here's the actual mileage breakdown — failures cluster heaviest at 150,000+ mi.
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.
No new NHTSA electrical complaint has been filed on this vehicle in over 4 years — the issue may be aging out of the active population.
The failure pattern owners describe
Buyer takeaway: 2007 Subaru Outback owners report critical throttle cutouts on highways at speed (P2138 code), persistent airbag light disables safety systems due to faulty overhead circuit solder joints, and brittle wiring in the rear door harness breaks from normal hatch use—killing brake lights, backup lights, and wipers. Budget $400–$800 for electrical repairs and expect manufacturer resistance to warranty help.
The 2007 Outback has three major electrical strikes. First, throttle response dies without warning—engine stays running but the gas pedal goes dead. Owners lose power on highways at 60–65 mph and coast to the shoulder. Restarting sometimes brings it back; check engine light (P2138, throttle sensor code) and traction control light turn on. Happens randomly after 5–10 minutes of driving or after a cold start. Cleaning the sensor connector clears it temporarily, but it returns. Some owners replaced the gas pedal assembly with success.
Second, the airbag warning light stays on permanently or flickers because solder joints fail on the overhead console circuit board. When that light is on, airbags won't deploy. Dealers want $130 or more to replace the whole console. One owner already had it replaced once and the light came back.
Third, the flexible rubber conduit running from the car body to the rear hatch door is poorly designed. The wires inside develop cracks in their insulation from the constant flex of hatch opening and closing. Broken wires kill the rear brake lights, backup lights, license plate lights, rear wiper, hatch lock, and rear defroster. Multiple owners found 2–4 broken wires at the hatch joint. A full harness replacement runs $800. This issue is widespread on 2005–2007 Outbacks and widely discussed in owner forums and YouTube. Subaru offers no recall.
Same Subaru Outback electrical reports on nearby years: 2005 · 2006 · 2008 · 2009 · 2010
Failure modes owners describe
Throttle/Gas Pedal Position Sensor Malfunction
Engine loses throttle response while driving, requiring restart to regain control. Owners report the gas pedal becomes unresponsive despite engine still running. Check engine light, cruise control, and traction control lights illuminate or flash. Occurs intermittently, sometimes after short drives or cold starts. Cleaning connector terminals provides temporary relief lasting days to months before returning.
When: Random, often 5-10 minutes after cold start or upon restarting after short drive; reported at highway speeds (60-65 mph) and in city traffic
Symptoms owners cite: Complete loss of gas pedal response while engine running; Check engine light illuminates; Cruise control light flashes or illuminates; Traction control (VDC) light illuminates; Vehicle coasts to shoulder when throttle fails; Engine difficult to restart during episodes; Brake pedal pulsates forward when trying to stop; Engine revs high when shifted to park
Codes mentioned: P2138
Repairs/costs cited: Some owners report replacing gas pedal assembly resolved issue; cleaning connector terminals temporarily fixes problem. One owner cleaned terminals multiple times with recurring failures.
Recalls/TSBs owners mention: Subaru service departments claim no knowledge of issue; manufacturer issued generic response mostly regarding airbag concerns rather than throttle problem
Overhead Console Solder Joint Failure - Airbag Light
Airbag warning light stays on permanently or illuminates intermittently, disabling the airbag safety system so bags will not deploy in a crash. Faulty solder joints in overhead console circuit board create loose connections. Warning light bulbs fail to illuminate properly or appear dim and may resolve with light taps or temperature changes. Occurs consistently as vehicle ages.
When: At 8+ years old; one owner replaced overhead circuit board once, light returned later; high occurrence at 100,000+ miles
Symptoms owners cite: Airbag light on constantly or intermittently; Passenger seat belt warning light does not illuminate when should; Passenger seat occupancy detection light does not illuminate when should; Warning lights appear dim or fail to light; Warning lights resolve temporarily with light tap or ambient temperature change; Airbag system disabled with light on
Repairs/costs cited: Dealership quotes $130 for part, plus labor; one owner already replaced overhead circuit board once. Multiple owners report similar failures.
Recalls/TSBs owners mention: No recall issued; dealership directs owner to replace entire overhead console at owner expense
Rear Door Wire Harness Fatigue Fracture
Wires in the flexible rubber conduit connecting vehicle body to rear tailgate/hatch door develop insulation cracks and conductor breaks from repeated flexing during hatch open/close cycles. Wire insulation becomes brittle over time. Results in loss of multiple rear safety and lighting functions. Design defect documented in YouTube videos and owner forums; numerous 2005-2007 owners report identical issue.
When: Occurs over years of normal hatch use; reported at 181,000+ miles
Symptoms owners cite: Rear window wiper fails sporadically or does not return to park position; Rear backup/reverse lights fail; Rear brake lights fail; License plate lights lose power; Rear window defroster fails; Tailgate lock fails; Visible broken wires in harness at body-to-hatch joint; Wires appear corroded or damaged
Repairs/costs cited: Owner attempted solo repair of one wire; repair did not hold. Replacement of entire rear wire harness quoted at $800 after diagnostic.
Recalls/TSBs owners mention: Manufacturer advised no recall applies; issue is known and discussed widely on owner forums but no recall or TSB mentioned
Audio/HVAC Control Panel Malfunction
Dashboard audio and climate control panel flashes, intermittently becomes unresponsive, or cuts out completely. Problem began on hot summer day in some cases and persists intermittently. Panel fails to display properly and does not respond to user input for mode changes. Defrosting capability loss creates safety hazard. Known issue reported on Subaru forums.
When: Started on hot summer day four years prior to complaint; occurs both while driving and after ignition; intermittent
Symptoms owners cite: Audio/HVAC control panel flashes; Control panel does not respond to input; Climate control fails to adjust; Defroster becomes unavailable; Panel intermittently goes away on its own or requires vehicle restart
Repairs/costs cited: Repair cost and part not specified in narratives
Engine Surge/Pulsation During Light Throttle
Vehicle pulsates and surges when driving on flat surfaces or downhill while applying light throttle input. Concern exists for loss of control on wet or ice/snow roads where surge could cause spin-out or loss of control.
When: During normal driving on flat or downhill surfaces
Symptoms owners cite: Engine pulsates with light throttle input; Vehicle surges on flat surfaces; Vehicle surges downhill; Risk of loss of control on wet or slippery roads
Recalls/TSBs owners mention: Manufacturer indicated no fixes available; stated it is an inherent characteristic of vehicle; quality monitoring report in place for future improvement
Dashboard Warning Light Cascading Failures
Multiple dashboard warning lights malfunction simultaneously—airbag light, cruise control, check engine light, and traction control lights flash or illuminate erratically. Lights come on and off unpredictably. Not directly tied to sensor malfunction in all cases; appears related to electrical system instability or solder joint degradation in dashboard circuits.
When: Intermittent; can occur while driving or after ignition
Symptoms owners cite: Airbag light flashes or stays on; Check engine light illuminates; Cruise control light flashes; Traction control light illuminates; All lights on dash start flashing simultaneously; Lights come and go unpredictably day to day
Synthesized from 19 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 2 most recent
My 2007 outback wagon tailgate lights, lock failed to work. Some of the wiring within the flexible rubber conduit broke and shorted out the fuse. The wires could not endure the repeated motion of the tailgate movement. I have now learned that several others have had the same issue. The upper brake light, reverse lights, tailgate lock are affected. I believe the rear wiper motor wiring is in the…
Common questions
How serious is the electrical problem on the 2007 Subaru Outback?
It's a documented issue but not catastrophic. 19 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 15 complaints that reported odometer mileage, most electrical failures cluster between 78,000 and 174,881 miles, with the median around 130,000. A quarter of owners report trouble before 78,000; a quarter make it past 174,881. 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.