This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
full bulletin at NHTSA ↗2010 Buick Enclave electrical problems
moderate Owners of the 2010 Buick Enclave have filed 17 NHTSA complaints about the electrical, typically surfacing around 128,000 miles at roughly $850 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
Failure mileage
Complaints
17
Recalls
0
Avg fix
$850
| Model year | electrical complaints |
|---|---|
| 2008 Enclave | 61 |
| 2009 Enclave | 16 |
| 2010 Enclave (this page) | 17 |
| 2011 Enclave | 19 |
| 2012 Enclave | 17 |
| 2013 Enclave | 11 |
| 2014 Enclave | 23 |
When does it fail?
Of the 17 electrical complaints filed for the 2010 Buick Enclave, here's the actual mileage breakdown — failures cluster heaviest at 125,000-150,000 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
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 Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
full bulletin at NHTSA ↗This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
full bulletin at NHTSA ↗This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
full bulletin at NHTSA ↗Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners report two categories of electrical failure: chronic water intrusion and circuit/communication faults. Water repeatedly gets into electrical enclosures, shorting out the Bose audio amplifiers (eliminating radio, turn signals, and warning chimes), flooding the AC fan motor above the passenger floor, and soaking electrical components under the carpet—sometimes triggering burning smells and engine stalling. One owner at 168,000 miles had water damage to the audio amplifier at the dealer but received no assistance.
The more alarming failures involve data-circuit problems. One owner's vehicle uncontrollably downshifted from 65 mph to 40 mph over a year, requiring seven weeks at the dealer and GM Tech Center support. The technicians found contact point G110 overloaded with nine circuits, overheating and creating burnt, melted wires that caused intermittent communication loss. Another vehicle stalled without warning; a dealer found shorted O2 sensor ground wires. Several owners report undiagnosable electrical faults: one has spent five-plus dealer visits and independent testing without resolution of flashing ESC, ABS, and warning lights; others experienced unexplained power loss at highway speeds, stuck ignition keys, involuntary door-lock cycling preceding stalling, and instrument-cluster failure.
Display and usability issues also appeared: speedometer text too faint to read safely, garage-door remote buttons no longer backlit, and a driver-seat position sensor triggering the airbag light.
Same Buick Enclave electrical reports on nearby years: 2008 · 2009 · 2011 · 2012 · 2013
Failure modes owners describe
Transmission downshift and loss of communication
Vehicle experiences uncontrolled downshifting and sudden speed loss due to electrical circuit failures. Root cause: Circuit #6060 backfeeding into Circuit 2500 causing intermittent communication loss. Contact point G110 was overloaded (serving 9 circuits) and overheating, creating high resistance and data circuit backfeed. The overheated contact showed melted and burnt wires.
When: Occurred intermittently over approximately one year; happened at various speeds including 65 mph on expressway
Symptoms owners cite: Sudden uncontrolled downshift from 65 mph to 40 mph in seconds; Drastic speed reduction at any driving speed; Loss of data communication between vehicle systems
Codes mentioned: Circuit 6060 backfeeding into Circuit 2500, Overload at contact point G110
Repairs/costs cited: Dealer (with GM Tech Center support after 7 weeks) separated overloaded contact point G110 into 2 contact points to reduce electrical load. Removed 9 melted and burnt wires. Required replacement of overheated circuit components.
Recalls/TSBs owners mention: GM Tech Center support was required; repair completed after extended dealer work
Water intrusion into electrical components
Water enters vehicle panels, interior compartments, and electrical enclosures, causing shorts and component failures. Multiple systems affected: audio amplifiers (Bose), AC fan motors above passenger floor, ECM/engine control systems, and general electrical shorts.
When: Reported at various mileages: 35,000 (ground wires), 80,259 (power loss), 144,000 (water/mold under carpet), 168,000 (audio amplifier short)
Symptoms owners cite: Loss of audio amplifier function (no radio, no warning chimes, no turn signal sounds); Engine stalls without warning while driving at various speeds; Water and mold visible under carpeting; Burning odor inside vehicle; ECM warning light illuminated; Electrical components submerged in water
Codes mentioned: Electrical shortage to audio amplifier, Ground wire short from O2 sensor
Repairs/costs cited: AC fan motor replacement. Audio amplifier replacement. Electrical component replacement after water damage. One owner noted replacement cost concerns and refused dealer repair.
Recalls/TSBs owners mention: Dealer diagnosed at 168,000 miles but offered no assistance. No recall issued despite owner concerns across Enclave, Acadia, and Saturn Outlook models
Multiple warning indicators and undiagnosable electrical faults
Electronic Stability Control (ESC), ABS, and various warning indicators flash or illuminate without resolvable cause. Vehicle taken to dealer over five times and to independent mechanic, but no diagnosis or repair solution was found despite multiple years of complaint.
When: Mileage not available; issue persisted for years
Symptoms owners cite: Electronic Stability Traction Control warning indicator flashing; ABS warning indicator flashing; Various warning indicators illuminated on instrument panel
Repairs/costs cited: No repair completed despite five+ dealer visits and independent diagnostic testing.
Recalls/TSBs owners mention: Manufacturer notified numerous times for years; no repair solution provided
Ignition switch sticking
Key becomes lodged in ignition switch, making it difficult or impossible to turn off the vehicle.
When: 73,000 miles
Symptoms owners cite: Key stuck in ignition switch; Difficulty turning off vehicle
Recalls/TSBs owners mention: Manufacturer notified
Door lock cycling and power loss
Door locks cycle involuntarily while driving, followed by engine power loss and stalling. Locks engage and disengage repeatedly, then engine loses power.
When: Mileage not specified
Symptoms owners cite: Door locks cycling (lock-unlock-lock-unlock) while driving; Engine slowing down and losing power during lock cycling; Complete power loss and stalling in later occurrences
Instrument cluster failure
Instrument cluster ceases operating and emergency flashers stop working simultaneously.
When: Mileage not specified
Symptoms owners cite: Instrument cluster ceased operating; Emergency flashers ceased working
Audio system complete failure
Vehicle audio system (including radio, parking assist, and all sound functions) completely ceases to operate. Reported after Takata recall work.
When: Occurs after service/recall work
Symptoms owners cite: All audio system functions completely offline (radio, park assist, all sound); No power to audio components
Recalls/TSBs owners mention: Takata recall referenced
Speedometer readability and display issues
Speedometer display is illegible due to poor lighting and faint text. Speed shown in kilometers instead of miles, making it impossible to accurately read vehicle speed during day or night driving.
When: Mileage not specified
Symptoms owners cite: Speedometer text too faint to read in daylight or night; Speedometer displaying kilometers when MPH required; Driver unable to determine actual speed, leading to unsafe driving
Recalls/TSBs owners mention: Dealer informed owner there is no expected fix
Vehicle stays running after ignition off
Vehicle continues running after ignition key is turned off and removed from the switch.
When: Mileage not specified
Symptoms owners cite: Engine continues running with key off and removed; Brake pedal makes squeaking sound when depressed
Service airbag light activation with seat movement
Service airbag warning light illuminates whenever driver seat is moved, and extinguishes when seat movement stops.
When: Mileage not specified
Symptoms owners cite: Service airbag light comes on when driver seat is moved; Service airbag light goes off when seat movement ceases
Synthesized from 17 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 2 most recent
Tl* the contact owns a 2010 Buick enclave. The contact stated that the electronic stability traction control warning indicator flashed. Also, the ABS warning indicator flashed and various warning indicators illuminated on the instrument panel. The vehicle was taken to the dealer more than five times, but could not be diagnosed. The vehicle was also taken to an independent mechanic for diagnostic…
What was happening was the car would just start downshifting by itself, speed was drastically reduced. It didn't matter how fast or slow I was going but it did happen on the expressway and I went from 65mph to 40 MPH in a matter of seconds. Had been happening for a year and has been to the dealer 5 times, this last time they had it for 7 weeks and required gm tech center support to finally get it…
Had electrical trouble with your 2010 Buick Enclave?
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 2010 Buick Enclave?
It's a documented issue but not catastrophic. 17 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 10 complaints that reported odometer mileage, most electrical failures cluster between 73,000 and 138,462 miles, with the median around 128,000. A quarter of owners report trouble before 73,000; a quarter make it past 138,462. 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/2010/Buick/Enclave.
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.