This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
full bulletin at NHTSA ↗2014 GMC Acadia electrical problems
severe 78 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Failure mileage
Complaints
78
Recalls
0
Avg fix
$850
1crash
3injuries
When does it fail?
Of the 78 electrical complaints filed for the 2014 GMC Acadia, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 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 78 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.
Among the 19 model years of GMC Acadia in our records for electrical problems, this one ranks #3 by owner-complaint volume.
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.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
full bulletin at NHTSA ↗This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
full bulletin at NHTSA ↗This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
full bulletin at NHTSA ↗This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2014 Acadia racks up a long list of electrical gremlins that start early and persist throughout ownership. Most common: the vehicle stalls without warning at various speeds, sometimes on the highway, accompanied by traction control off, service stabilitrak, and reduced engine power warnings. Owners report taking vehicles to dealers multiple times with no diagnosis or only temporary fixes. The fuel gauge fails erratically—reading full then empty within minutes, or staying frozen at wrong levels, leading owners to run out of fuel and stall on roadways with children in the car.
Water leaks into tail light, headlight, sunroof, and window assemblies causing corrosion and repeated expensive bulb replacements (one owner replaced headlight bulbs eight times in a year). Rear sensors and modules corrode, triggering blind spot and side detection system failures, with replacements running over $800 per occurrence. The driver seat electrical system fails or seat moves unexpectedly toward the steering wheel. Key fob locks stop working despite battery replacements, and power windows/sunroof fail to operate properly.
Radio, GPS infotainment, and dashboard displays malfunction or require complete replacement (one owner's GPS system corrupted by a failed 2016 software update, replaced three times with no resolution after three years). Multiple owners document repeated trips to dealers where technicians claim they cannot duplicate failures or find no fault codes, despite safety-critical symptoms like stalling in traffic. Several owners reference electrical shorts involving the chassis electronic module or fuse box corrosion, sometimes causing cascade failures across multiple systems simultaneously. Recall coverage is inconsistent—many owner VINs fall outside campaigns even when symptoms match known defects.
Same GMC Acadia electrical reports on nearby years: 2012 · 2013 · 2015 · 2016 · 2017
Failure modes owners describe
Fuel Gauge Inaccuracy & Fuel Starvation
Fuel gauge reads full, then empty, or freezes at incorrect levels despite actual fuel level. Vehicle has stalled on the roadway after running out of fuel when gauge indicated remaining fuel. Gauge can shift 20+ miles in fuel reading over short 5-mile trips.
When: Intermittent throughout ownership
Symptoms owners cite: Gauge reads full then empty within minutes; Fuel warning light on when tank shows 1/4 full or more; Vehicle stalls after running out of fuel on roadway; Rapid/erratic fuel level changes recorded on dash display
Codes mentioned: Electrical and fuel system failure (general diagnosis only)
Repairs/costs cited: Owners report undiagnosed by multiple shops; no permanent repair solution documented
Stalling & Loss of Power (Reduced Engine Power Mode)
Vehicle stalls unexpectedly at various speeds, in intersections, on highways, or while idling. Accompanied by traction control off, service stabilitrak, and reduced engine power warnings. Vehicle enters limp mode or complete shutdown; sometimes restarts after minutes/hours, sometimes remains stranded. Occurs with or without warning.
When: Intermittent throughout ownership; some owners report daily occurrences
Symptoms owners cite: Vehicle stalls without warning during driving at various speeds; Traction control off warning; Service stabilitrak warning; Reduced engine power warning; Vehicle shakes/stutters before stall; Loss of power steering when stalled; Engine idles rough after restart; Difficulty restarting or prolonged restart delay
Codes mentioned: P1682 (Ignition Switch Circuit), Check Engine Light (generic)
Repairs/costs cited: Owners report fuse box corrosion; dealers unable to replicate or diagnose; one owner cited $1900 quote for unidentified repair; one owner noted wires arcing at shop; $1000 fuse box replacement cited in one case
Recalls/TSBs owners mention: NHTSA Campaign 14V614000 (Electrical System / Chassis Electronic Module contamination); some owner VINs not included in recall; Technical Service Bulletin 16-NA-178 mentioned by dealers for extended coverage to 91,000 miles; one owner reported special coverage began 4/2/19 but vehicle exceeded 80,000-mile threshold
Driver Seat Movement & Loss of Electrical Control
Driver seat moves unexpectedly (slides forward to steering wheel, tilts inward) causing inability to control vehicle. Electrical failure of seat controls prevents adjustment. Vehicle rolled backward out of driveway when park allegedly engaged. One injury from seat crushing arm against seat mechanism.
When: During normal operation; one incident within first year of ownership
Symptoms owners cite: Seat slides fully forward to steering wheel; Seat tilts inward/headrest tilts; Seat electrical controls fail; Seat becomes unsecured (not bolted down after service); Vehicle rolls backward despite park engagement
Repairs/costs cited: Service dealer failed to bolt seat back down after repair; seat remains non-functional
Recalls/TSBs owners mention: Recall referenced by owner (VIN not included); seat adjustment recall mentioned in NHTSA Campaign 15V415000 (Structure) but VIN not included for some owners
Electrical Shorts & Circuit Failures
Intermittent electrical shorts cause multiple systems to fail simultaneously or in cascading fashion. Check engine light, airbag light, turn signals, interior/exterior lights flicker or fail to respond. Multiple owner complaints of entire electrical system rebooting or shutting down during operation.
When: Intermittent throughout vehicle life; some recurring after repair
Symptoms owners cite: Check engine light on/off intermittently; Airbag warning light on/off or stuck on; Passenger airbag indicator light stays on (passenger airbag showing 'OFF'); Interior lights on at random; Headlights on/off at random or fail to illuminate; Turn signals inoperative (internally or externally); All electrical gauges/displays go out momentarily; Electrical system reboots multiple times during single drive
Codes mentioned: B0023 (Airbag sensor code), B0085 (Airbag sensor code)
Repairs/costs cited: Rear object detection modules corroded; replacement cost $992.52 out-of-pocket; GM now uses non-corroding modules; chassis electronic module replacement (3 times in one owner case); infotainment system replaced 3 times due to GPS update failure
Recalls/TSBs owners mention: GM recall 14V614000 for chassis electronic module contamination; one owner reports GM special coverage for corroded rear object detection modules began 4/2/19; airbag connector resolder cost ~$400 when not covered by recall
Power Door Locks & Key Fob Malfunction
Power lock/unlock system fails; key fob stops working despite battery replacement. Doors lock unexpectedly or fail to unlock. Garage door opener stops functioning.
When: Throughout ownership
Symptoms owners cite: Fob doesn't unlock/lock doors properly; Multiple battery replacements do not resolve fob issue; Doors lock/unlock without input; Doors remain locked while vehicle is running (stranded scenario); Key stuck in ignition with locked doors; Garage door opener fails
Repairs/costs cited: Fob batteries replaced multiple times without resolution
Power Windows & Sunroof Failure
Power windows and sunroof fail to operate or get stuck in partially open position. Unable to fully open or close windows/sunroof.
When: Throughout ownership
Symptoms owners cite: Windows do not operate; Sunroof does not fully close; Windows stuck partially open
Repairs/costs cited: No specific repair costs documented
Water Leaks in Light Assemblies & Seals
Water intrusion into tail light, headlight, sunroof, and window seals. Poor sealing or worn gaskets allow rain/moisture into assemblies. Causes corrosion, electrical shorts, and bulb failures. Expensive temporary repairs with no permanent solution.
When: Throughout ownership
Symptoms owners cite: Water visible in tail light assemblies; Water visible in headlight assemblies; Water leaks through sunroof; Water leaks through window seals; Corroded wiring from water exposure; Repeated bulb failures; Lights flicker from moisture
Repairs/costs cited: Repeated expensive replacements; water damage module replacement $243.39 each (two modules); headlight replacement 8 times in one year
Recalls/TSBs owners mention: Dealer denied warranty coverage for water damage on 21,000-mile vehicle (12 days out of warranty); water damage module replacement noted as recall that is no longer in effect
Transmission Shift Jerking & Transmission Shudder
Transmission shifts with loud thump or shudder at various speeds. Vehicle jerks or shakes violently during gear shifts. Delayed shift response causing hesitation before vehicle accelerates. Loss of communication between transmission control module (TCM) and body control module (BCM) detected.
When: Throughout ownership; some instances while accelerating from stops
Symptoms owners cite: Loud thump when shifting; Vehicle shudders/jerks during shifts; Vehicle shakes while shifting gears; Transmission shakes at various speeds; Delayed shift response; jerking when shift finally engages; Random mis-shifts; Vehicle feels like 'chain hooked to bumper and broke'
Codes mentioned: Loss of communication between TCM and BCM
Repairs/costs cited: No permanent repair documented; sensor replacement attempted without success in one case
Recalls/TSBs owners mention: Associated with NHTSA Campaign 14V614000; some owner VINs not included
Blind Spot Detection & Side Collision System Failures
Blind spot alert lights stuck on amber and remain illuminated constantly. Service side detection system warning illuminates. Side collision detection system fails after water damage to rear-mounted modules. Blind spot detection ceases to function.
When: Multiple occurrences at 60k, 100k, and 150k miles for one owner; can occur early in ownership
Symptoms owners cite: Side collision warning lights stuck on solid amber; Service side detection system message on display; Blind spot lights remain on constantly; Blind spot detection no longer detects vehicles; Side mirrors warning lights continuously on
Repairs/costs cited: Defective sensor modules replaced; repeated failures over vehicle life; replacement cost over $800 per occurrence
Recalls/TSBs owners mention: Water damage module replacement occurred; dealer stated cause was water damage; one owner cited recall claim denied by GMC
Airbag System Warnings & Malfunctions
Airbag warning lights illuminate repeatedly or stay on. Passenger airbag indicator shows off when no passenger present. Airbag connector corrosion reported by dealers. Safety concern that airbags may not deploy in accident.
When: Throughout ownership; can occur early
Symptoms owners cite: Airbag warning light on/off or stuck on; Passenger airbag off indicator when no malfunction; Service airbag soon light illuminated; Airbag malfunction warning while stationary and in motion
Codes mentioned: B0023, B0085
Repairs/costs cited: Airbag connector resolder repair ~$400; replacement connectors ordered in one case
Recalls/TSBs owners mention: Recall on airbag (Takata); parts not available at dealerships for install; some owner VINs not included in recall; repair not covered when not in recall
Radio, Dashboard, & Infotainment System Failures
Radio/entertainment systems inoperative or restart randomly. Dashboard display failures. Infotainment GPS system corrupted by failed software update, requiring multiple system replacements. Audio system produces popping/crackling sounds then complete audio loss. No interior sound/speakers function.
When: Various; GPS issue occurred after 2016 dealer software update attempt
Symptoms owners cite: Radio inoperable; Radio restarts randomly; Dashboard display failures; Entertainment system off/on intermittently; No interior sound despite system on; Speakers produce popping/crackling sounds; Audio system inoperative; GPS system unresponsive; Navigation features disabled
Repairs/costs cited: Entire infotainment system replaced 3 times in one case; GPS software deemed incompatible; $300 portable Garmin GPS used as workaround; dealer unable to resolve after 3 years
Recalls/TSBs owners mention: GMC provided only apology emails with unreliable dates for GPS update fix; update never materialized; owner notes 3-year manufacturing delay
Forced Start Difficulty & Starter Issues
Vehicle difficult to start or fails to start at all. Requires multiple attempts or extended wait times to turn over. Delayed ignition response with seconds of lag. Vehicle may not turn over despite battery being charged.
When: Intermittent throughout ownership
Symptoms owners cite: Vehicle difficult to start; Multiple start attempts required; Engine takes several seconds to turn over; Check engine light when starting; Vehicle refuses to start (stuck in park with key in ignition); Auto start feature doesn't work; must use key fob repeatedly
Codes mentioned: P1682 (Ignition Switch Circuit)
Repairs/costs cited: Ignition switch or fuse box suspected by mechanics; one mechanic identified corroded fuse box; ignition switch circuit issues noted
Recalls/TSBs owners mention: NHTSA Campaign 14V614000; some VINs not included; bulletin references ignition switch recall
Lighting System Failures (Headlights & Turn Signals)
Headlights fail to illuminate despite LED daytime running lights functioning. Turn signal bulbs blow repeatedly (one owner replaced 8 times in one year). Water in turn signal housings. Plastic lens covering headlights melts from heat exposure. Lights flicker and won't shut off after vehicle is turned off.
When: Throughout ownership; headlight bulb failures recurring
Symptoms owners cite: Headlights fail to work while DRL lights function; Turn signal bulbs blow repeatedly; Water in turn signal housing; Plastic lens covering melts; Lights flicker randomly; Lights remain on after vehicle turned off; Lights won't shut off completely
Repairs/costs cited: Turn signal bulb replacement over $100 per bulb (specialized component); headlight bulb replaced 8 times in one year; no permanent solution for water intrusion
Hood Latch Failure
Hood does not latch properly and stays open unexpectedly. Difficult to check vehicle fluids without assistance.
When: Throughout ownership
Symptoms owners cite: Hood doesn't latch; Hood stays open; Difficult to close hood
Repairs/costs cited: No repair costs documented
Liftgate/Hatch Failure & Injury Risk
Liftgate fails to remain open and closes unexpectedly without sensor protection. Child suffered minor head injury when liftgate closed on arm. No crush-prevention sensor in trunk.
When: During normal operation
Symptoms owners cite: Trunk/liftgate closes unexpectedly; Liftgate closure not stopped by pressure sensors; No protection against crushing injury from closing liftgate
Repairs/costs cited: Liftgate actuator motor control software needed update per dealer
Recalls/TSBs owners mention: NHTSA Campaign 15V415000 (Structure) referenced; some VINs not included; software update performed by dealer
Air Conditioning System Failures
A/C blows hot air despite refrigerant charges. System leaks freon and fails to cool. Repeated failed repairs and refrigerant recharges.
When: Throughout ownership
Symptoms owners cite: A/C blows hot air instead of cool air; System low on freon; A/C leak present; Extreme heat in cabin
Repairs/costs cited: Line replacement and system recharge attempted twice without resolution; dye added to trace leak but source not found; second dealer unable to provide solution
Seat Heater Failure
Heated seats stop functioning.
When: Early in ownership (within first 2 days for one owner)
Symptoms owners cite: Seat heaters inoperative
Repairs/costs cited: No repair details documented
Battery & Charging System Failures
Battery voltage reads abnormally high (16-17V when normal is lower) or vehicle drains battery quickly. One owner's battery replaced under warranty but symptom persisted. Control modules drain battery.
When: Throughout ownership
Symptoms owners cite: Battery voltage reads 16-17V; Battery drains quickly; Vehicle won't start due to dead battery; Battery replaced but voltage issue remains
Repairs/costs cited: Battery replacement under warranty; dealer claimed 16-17V is normal range (owner disputes); control module drain identified in one case costing $5000 to fully repair
Recalls/TSBs owners mention: Special coverage for corroded rear object detection modules began 4/2/19 (one owner's vehicle over 80,000-mile warranty limit)
Vehicle Rollaway Risk & Park Failure
Vehicle rolls backward out of driveway/parking when allegedly in park with engine running. Vehicle leaves road and lands vertically on retaining wall with children suspended in car seats. Park engagement appears to fail without warning.
When: During idle in driveway; within first year of ownership for one incident
Symptoms owners cite: Vehicle rolls backward out of driveway despite park engagement; No external force or driver input triggering rollaway; Vehicle leaves roadway and crashes
Repairs/costs cited: Vehicle held for investigation by manufacturer; no repair details documented
Recalls/TSBs owners mention: GMC requested to inspect vehicle for investigation
Various Safety Feature Module Failures
Multiple safety and convenience features controlled by electronic modules fail simultaneously or cascade: forward/rear crash monitoring, blind spot monitoring, proximity/safety systems, hands-free phone, voice commands.
When: Throughout ownership
Symptoms owners cite: Forward crash alert doesn't function; Rear crash alert doesn't function; Blind spot monitoring disabled; Hands-free cell phone inoperable; Voice commands inoperative; Proximity/safety systems disabled; Check gages warning
Repairs/costs cited: Dealer quoted $5000 to fix all associated faulty control module issues; owner purchased separate vehicle due to safety concerns
Recalls/TSBs owners mention: GM sent letter regarding special coverage for control modules based on mileage/age criteria; one owner's vehicle did not qualify
Harness & Wiring Corrosion Failures
Wiring harness corroded and frayed; corrosion causes cascade electrical failure. Red and white wiring damaged; harness rubbed against exhaust pipe causing electrical wire damage. Extensive rust and corrosion on rear framing and wiring.
When: Early in ownership (42,000 miles)
Symptoms owners cite: Extensive rust on rear framing; Corroded wiring throughout vehicle; Red and white wiring frayed; Wiring harness damage from exhaust contact; Voltage failure from wire damage
Repairs/costs cited: Electrical wires and wiring harness replacement required; cost not specified
Synthesized from 78 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 3 most recent
Side collision lights in mirrors came on solid amber, and computer message stated to service side collision system, went to GMC dealer , they had to replace two modules located under rear bumper, part # 22960672, $243.39 each. Dealer stated cause was water damage, 12 days out of warranty and only 21000, miles on vehicle. Dealer would not cover under warranty, stated recall for problem but no…
Vehicle was stationary and in motion display read airbag malfunction warning light. Took vehicle to randy marion GMC in huntersville, nc to be fixed. Electrical connecter problem "due to corrosion " was "fixed" only to have error light come on again 24hrs later. This is a new vehicle with only 24,000 miles on it and is garage kept. Randy marion gave is a loaner vehicle and was going to order…
While driving on the highway my car began shuttering and the warning system went off stating the traction control had gone off. Then it said engine power reduced, service engine, and service traction. The car began shaking and immediately slowed down. I pulled over and turned off the car. Upon restarting the car I received a message that said traction control on. But the engine light came on.…
Had electrical trouble with your 2014 GMC Acadia?
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 2014 GMC Acadia?
It's a meaningful issue. 78 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Across the 50 complaints that reported odometer mileage, most electrical failures cluster between 35,845 and 95,000 miles, with the median around 72,000. A quarter of owners report trouble before 35,845; a quarter make it past 95,000. 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/2014/GMC/Acadia.
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.