Car is leaking oil gradually. Puddle in amber brown color on the garage floor
2005 Acura TL electrical problems
moderate 18 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Complaints
18
Recalls
0
Avg fix
$850
When does it fail?
Of the 18 electrical complaints filed for the 2005 Acura TL, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 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
Among the 6 model years of Acura TL in our records for electrical problems, this one ranks #3 by owner-complaint volume.
No new NHTSA electrical complaint has been filed on this vehicle in over 7 years — the issue may be aging out of the active population.
The failure pattern owners describe
Buyer takeaway: The 2005 Acura TL has well-documented electrical and hardware defects that span the life of the vehicle: a parasitic battery drain from the hands-free module (known since 2004, still no recall), cracking dashboards (especially over airbag areas), and various electrical failures. Budget for repeated battery replacements and expect major interior durability problems.
The 2005 TL's dominant issue is parasitic battery drain stemming from the hands-free Bluetooth module. Owners consistently report the battery dying after just a few days of non-use, forcing them to replace batteries 4 to 10+ times over the vehicle's life. Multiple owners discovered the problem online and found that simply disconnecting the module—per Acura Service Bulletin 05-020 from 2005—permanently solves it. Owners note that Acura knew about this defect since 2004 and have filed a class action lawsuit, yet no recall has been issued.
Dashboard cracking is the second widespread complaint. Owners report large cracks appearing over the odometer and directly above airbag deployment zones, sometimes on garaged vehicles with minimal sun exposure. Owners fear that if airbags deploy, the shattered plastic will become shrapnel and cause additional injury.
Less common but noteworthy: one owner experienced engine stalling and fuse-box failure that caused smoke in the instrument panel; another reported unintended engine surge tied to cell-phone placement near electronics. Headlights yellow and develop spider cracks, reducing output. One door lock failed to respond to the button. No manufacturer remedy is documented for the dashboard or headlight issues.
Same Acura TL electrical reports on nearby years: 2006 · 2007 · 2008
Failure modes owners describe
Parasitic Battery Drain (Hands-Free Link Module)
The hands-free Bluetooth control module draws excessive current continuously, draining the battery to the point the vehicle won't start, even when parked for a few days. The module can short out and reach elevated temperatures. Some owners report a 200mA current drain.
When: Throughout vehicle ownership; some owners report replacing 4-10+ batteries over years
Symptoms owners cite: Vehicle won't start after sitting days without driving; Dead battery requiring frequent replacement; Speedometer/tachometer stopping while driving; VSA warning light activation; HVAC and radio display malfunction
Repairs/costs cited: Owners report disconnecting the hands-free module solves the issue; Acura Service Bulletin 05-020 (Sept 23, 2005) provides removal procedure. Dealerships have replaced batteries repeatedly without fixing root cause.
Recalls/TSBs owners mention: Acura knew about this issue since 2004; class action lawsuit mentioned; Acura Service Bulletin 05-020 exists for removal
Dashboard Cracking
Dashboard material cracks extensively, including directly over airbag deployment areas. Cracks appear spontaneously on garaged vehicles with minimal sun exposure. Owners express concern that airbag deployment would propel cracked plastic as shrapnel, causing injury.
When: Appears after several years of ownership; one owner bought vehicle in 2011 and reported severe cracking
Symptoms owners cite: Large cracks on top of dashboard; Cracks over odometer area (driver side); Cracks over airbag areas; Cracks appear despite vehicle being garaged and protected from sun
Repairs/costs cited: No repair method mentioned by owners; one owner calls it 'cracked beyond repair'
Recalls/TSBs owners mention: No manufacturer response reported; owners question why Acura doesn't address faulty dashboard materials
Engine Stalling and Electrical System Fuse Box Failure
Engine stalled at low speed (5 MPH) and restarted moments later. Fuel pump fuse required replacement; electrical fuse box replacement caused smoke to emit from instrument panel. Wiring harness subsequently replaced by dealer.
When: At approximately 117,000 miles
Symptoms owners cite: Engine stall during slow driving; Engine restart after stall; Smoke emitting from instrument panel after fuse box replacement
Codes mentioned: NHTSA Campaign 07V097000 (Fuel System, Gasoline), NHTSA Campaign 05V132000 (Electrical System)
Repairs/costs cited: Fuel pump fuse replaced by independent mechanic; electrical fuse box replaced by dealer; wiring harness replaced after smoke issue. VIN was not included in either recall campaign.
Recalls/TSBs owners mention: Recalls 07V097000 and 05V132000 exist but owner's VIN not covered
Engine RPM Surge and Electronic Interference
Engine RPM revved to 4,000-5,000 during parking maneuver when cell phone was placed on transmission lever (metal cover). Strange noise occurred; engine continued racing until phone was powered off and moved to glove compartment.
When: During parking maneuver
Symptoms owners cite: Unintended engine RPM surge to 4,000-5,000; Strange noise from engine; Engine returned to normal idle after cell phone was powered off and removed
Repairs/costs cited: No repair performed; issue resolved by removing cell phone from vehicle electronics
Headlight Degradation
Headlights yellow and develop spider-crack patterns, reducing light output brightness. Restoration kits provide only temporary cosmetic fix.
When: Over time; present on vehicle with advanced mileage
Symptoms owners cite: Yellowed headlight lenses; Spider-crack patterns in lens; Reduced headlight brightness
Repairs/costs cited: Headlight restoration kit used; provides cosmetic improvement only
Door Lock Failure
Driver side door lock fails to pop up or down when button is activated.
When: <UNKNOWN>
Symptoms owners cite: Door lock button unresponsive
Synthesized from 18 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 2 most recent
The car is been sitting for about 4 days and the battery is dead again. This has been the issue since I bought the car. It was taken to the dealer when this first happened and I was assured that the problem has been fixed. However, over the years I have replaced numerous batteries. Internet research proved that the problem is with hands free system and Acura knows about the problem for long but…
Had electrical trouble with your 2005 Acura TL?
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 2005 Acura TL?
It's a documented issue but not catastrophic. 18 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?
Based on the 18 complaints filed, electrical issues most often appear around 93,143 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
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/2005/Acura/TL.
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.