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 ↗2017 GMC Acadia electrical problems
moderate Owners of the 2017 GMC Acadia have filed 143 NHTSA complaints about the electrical, typically surfacing around 34,000 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
143
Recalls
0
Avg fix
$850
| Model year | electrical complaints |
|---|---|
| 2013 Acadia | 35 |
| 2014 Acadia | 79 |
| 2015 Acadia | 29 |
| 2016 Acadia | 21 |
| 2017 Acadia (this page) | 143 |
| 2018 Acadia | 70 |
| 2019 Acadia | 70 |
| 2020 Acadia | 21 |
| 2021 Acadia | 28 |
1crash
2fires
When does it fail?
Of the 143 electrical complaints filed for the 2017 GMC Acadia, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 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
Of the 19 model years of GMC Acadia we track for electrical problems, this one carries the most owner complaints on file — 143.
Owners have filed 143 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.
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 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 ↗This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners report three main electrical failure groups on the 2017 GMC Acadia:
Shift to Park Malfunction: The most common complaint. Owners shift into park and press the ignition button, but the dash displays "Action Required - Shift to Park" or "Shift to Park" even though the vehicle is already in park. The engine may shut off, but all electrical systems remain active—lights stay on, radio stays on, doors won't lock, and interior chimes sound repeatedly. Owners describe having to jiggle the shifter, shift back and forth between gears (sometimes 10+ times), or restart the engine multiple times before the system recognizes park position and allows the vehicle to power down. This can take 30 seconds to 15 minutes. The error causes battery drain, sometimes stranding owners. One owner reports being trapped inside with all electronics failed. Dealers have replaced shifter assemblies, shifter harnesses, transmission control modules, and body control modules; some replacements last only a year or two before the problem returns. GM issued Service Bulletin 19-NA-206 for this issue.
Side Blind Zone Alert Module Water Intrusion: Owners report "Service Side Detection" warnings appearing on the dashboard instrument cluster. The sensors light up when the warning displays. GM issued Special Coverage Adjustment N172097060 (6 years/80,000 miles from original in-service date) for 2013–2017 Acadia vehicles with water-damaged side blind zone alert modules. Owners note the module is poorly placed at the rear of the vehicle where water intrusion occurs. The malfunction can escalate to broader electrical failures—loss of cluster display, infotainment, airbag detection, traction control, and complete system shutdown. One owner experienced the vehicle losing all power at a busy intersection; another had their speedometer drop to zero and gas gauge drop to empty while driving. Dealership repairs sometimes fail to solve the recurrence within warranty coverage, leaving owners responsible for subsequent failures.
Horn Inoperability: Multiple owners report the horn requires excessive force (both hands or extreme pressure) to operate or fails to work at all. One owner nearly collided with a big rig because the horn would not sound. Dealers acknowledge the problem is widespread but GM states the horn is "designed" that way and offers no fix. Owners consider this a serious safety defect given its role in emergency warning.
Other electrical issues include sudden battery drain despite the battery being new, complete loss of electrical power while driving, and infotainment systems that malfunction—touchscreen freezes, calls dial themselves, system scrolls automatically. Owners emphasize the safety implications: uncertainty about transmission state, inability to escape the vehicle, hazard at intersections, and inability to warn other drivers.
Same GMC Acadia electrical reports on nearby years: 2014 · 2015 · 2016 · 2018 · 2019
Failure modes owners describe
Shift to Park Detection Failure
Floor shifter position sensor or transmission control circuit fails to register park position. Engine shuts off but all electrical systems remain powered. Vehicle won't lock, lights and radio stay on, interior chimes sound. Requires repeated shifting and jiggling shifter—sometimes 10+ cycles over 30 seconds to 15 minutes—to clear error and allow power-down. Battery drains from prolonged electrical draw, risking stranding or lockout.
When: Reported from 15,000 miles onward; intermittent initially, then constant
Symptoms owners cite: Dashboard displays 'Action Required Shift to Park' or 'Shift to Park' message when vehicle is already in park; Engine shuts off but headlights, dashboard lights, interior lights, and radio remain on; Door locks do not engage; doors will not lock; Interior chimes sound continuously or when door is opened; Vehicle will not recognize park position unless shifter is jiggled or shifted back and forth multiple times; Requires restart of engine and re-shifting through multiple gears to clear error; Battery drains due to continuous electrical draw; Vehicle cannot be exited safely; doors stay unlocked; On some vehicles, shifter becomes mechanically stuck in park; cannot shift to neutral or drive
Codes mentioned: Shift to Park error (instrument cluster message)
Repairs/costs cited: Dealers have replaced shifter assembly, floor shifter harness, transmission control module (TCM), body control module (BCM), brake control module, immobilizer control module, and instrument cluster module. TSB 19-NA-206 addresses this. One owner reports repair cost of $631–$708. Replacements sometimes only last 1–2 years before failure recurs.
Recalls/TSBs owners mention: Service Bulletin 19-NA-206 issued. No recall issued; covered under warranty during coverage period. Some owners report GM acknowledged issue but engineers have not found permanent solution. Dealers confirm this is a 'common issue' with hundreds of repairs performed.
Side Blind Zone Alert Module Water Intrusion
Water intrusion into the side blind zone alert (SBZA) module—located at rear of vehicle in poor drainage area—causes corrosion and module failure. Triggers 'Service Side Detection' warning on dash. In severe cases, module malfunction corrupts the LS GMLAN network, disabling cluster display, infotainment, airbag detection, traction control, and other critical driver interface functions. Vehicle may lose all electrical power while parked or driving, rendering it inoperable with no start capability.
When: Failures reported from spring 2023 onward on 2017 models; special coverage window was 6 years or 80,000 miles from original in-service date
Symptoms owners cite: 'Service Side Detection' warning message appears on instrument cluster; Side blind zone alert sensor lights illuminate; Message is intermittent or persistent; Loss of cluster display and gauges (speedometer, fuel gauge read zero); Infotainment/touchscreen malfunction or loss; Vehicle loses all electrical power while parked or at busy intersection; Vehicle will not start or crank; Loss of interior dome lights (though other lights may work); Liftgate will not open; Airbag detection and warning system disabled; Traction control disabled; Complete vehicle shutdown while driving at highway speed
Codes mentioned: Side Blind Zone Alert (SBZA) module failure, LS GMLAN network corruption (inferred from loss of multiple systems)
Repairs/costs cited: GM issued Special Coverage Adjustment N172097060 for vehicles within 6 years or 80,000 miles from original in-service date (131,652 vehicles affected). Dealers order and install service kit containing all replacement components. Repair was supposed to be at no charge under special coverage. Owners report module replacement cost ~$735–$1,600 if outside coverage window. Corrosion and water damage noted on removed modules.
Recalls/TSBs owners mention: Special Coverage Adjustment N172097060 issued April 2019 (applies to 2013–2017 model years). Covers condition for 6 years or 80,000 miles from original in-service date, regardless of ownership. Repairs made at no charge to customer under special coverage. However, if module fails after coverage period or if vehicle has branded title, dealership may deny coverage. One owner reports the special coverage repair in 2019 did not prevent recurrence; dealer then refused warranty coverage for the repeat failure.
Shift to Park Error—Mechanical Shifter Switch Failure
Faulty microswitch or shift lever position switch in the floor shifter assembly fails to reliably detect park position. This variant causes the same 'Shift to Park' error message even though the shifter is physically in park. Dealership diagnostic confirms the root cause is a defective switch component in the shifter, not operator error or electrical network corruption.
When: Reported on multiple 2017 Acadia owners at various mileages; failures began around 16,000 miles and persisted through 46,000+ miles
Symptoms owners cite: Dashboard displays 'Shift to Park' error when shifter is placed in park position; Vehicle will not turn off; ignition button press does not shut down electrical systems; Headlights, dashboard lights, and radio remain on; Doors do not lock; Interior dinging sounds; Shifter position indicator on dash shows 'P' but system does not recognize park; Repeated jiggling of shifter required to clear error message
Codes mentioned: Shift to Park error message
Repairs/costs cited: Dealership diagnosis: faulty microswitch in shifter assembly. Repair requires replacement of entire shift lever assembly or shifter unit. Cost reported as ~$250–$700 per occurrence. One dealership service rep confirmed this is 'poor workmanship' and not owner usage.
Recalls/TSBs owners mention: No recall or warranty extension noted. Owners report dealers acknowledge high volume of complaints but no systematic fix or extended warranty coverage offered.
Horn Inoperability—Requires Excessive Force
Horn activation requires abnormally high pressure (both hands, excessive force, or activation only in one specific spot on steering wheel) to sound, or horn fails to sound at all. Dealers acknowledge the problem is widespread and common across 2017 Acadia models. GM states the horn is 'designed' this way and refuses to issue a fix or recall.
When: Reported at low mileage (100 miles, 600 miles) and persists throughout ownership
Symptoms owners cite: Horn requires two-hand operation or excessive single-hand force to activate; Horn only responds when pressed in one specific spot on steering wheel pad; Horn fails to sound or sounds intermittently despite pressing horn area; Horn unresponsive under normal driving conditions and emergency situations
Repairs/costs cited: No repair offered by dealership or manufacturer. Owners report dealers can replicate the problem but state GM has declared the design 'as intended' and will not provide correction.
Recalls/TSBs owners mention: GM states the horn is operating 'as designed' and declines to take corrective action. No recall or service bulletin issued despite multiple owner complaints on NHTSA record.
Battery Drain and Electrical System Shutdown
Battery drains prematurely, causing vehicle to lose all electrical power and fail to start. Can occur while parked or while driving. Related to the Shift to Park failure (electrical systems remaining powered indefinitely) and possibly water intrusion into electrical modules (rear fuse block).
When: Reported at 10 months of ownership on new vehicle; intermittent battery drain at multiple points in vehicle life; complete shutdown at busy intersections reported at 16,000+ miles
Symptoms owners cite: Vehicle will not start; no cranking, no warning lights illuminating; Complete loss of electrical power while parked in driveway; Complete loss of electrical power at busy intersection while driving; Vehicle loses all power for 10–15 minutes; hazards cannot be activated; Battery drained despite being new; Vehicle locks itself; occupants cannot exit safely (electronic locks inoperable); Shift lever remains locked in park and cannot be moved to neutral; Multiple jump-starts required; Security lockout warnings and airbag warning lights display when vehicle regains power
Codes mentioned: Security lock out (warning light), Side crash detection warning (warning light), Tire monitoring service (warning light)
Repairs/costs cited: Dealership diagnosed rear fuse block short circuit due to water intrusion from poor drain port design. Rear fuse block replaced. However, battery drain issue recurred after repair, with dealership unable to identify permanent source. One owner reports $5,500 repair estimate for unresolved electrical issue; another was told rear pinholes in A-pillars and D-pillars cause water intrusion that cascades into electronics.
Recalls/TSBs owners mention: Dealership diagnostics run but often find 'nothing wrong' despite repeat failures. Water intrusion issues referenced in service bulletins regarding drain port design. No recall issued for battery drain root cause.
Infotainment System Malfunction
Touchscreen and infotainment system freezes, becomes unresponsive, scrolls automatically, calls dial themselves, or beeps continuously. System essentially becomes inoperable. May be related to broader electrical network corruption from water intrusion or module failure.
When: Reported at 87,000+ miles; some intermittent throughout ownership
Symptoms owners cite: Touchscreen stops responding to user input; System calls phone numbers on its own without user action; System beeps and scrolls automatically through menus; Radio stays on when vehicle is powered off; Display becomes completely unresponsive; owner describes it as 'possessed'; System essentially non-functional, reducing driver to basic functions
Codes mentioned: No specific codes reported; related to module failure or LS GMLAN corruption
Repairs/costs cited: Control module replacement attempted; problem may recur if underlying electrical network issue is not resolved.
Recalls/TSBs owners mention: No recall or extended warranty coverage noted.
Forward Collision Warning System False Activation
Forward collision warning and automatic emergency braking system activates when no obstacle is present, causing vehicle to brake suddenly and unexpectedly. One instance occurred at a traffic light intersection; another on railroad tracks after a train passed.
When: Reported multiple times; one incident at traffic intersection, another at railroad crossing
Symptoms owners cite: Vehicle applies brakes automatically at intersection with no vehicle or obstacle ahead; Vehicle stops in middle of intersection during green light; Vehicle cannot accelerate normally after false activation; Vehicle applies brakes on railroad tracks after train passes, trapping vehicle on tracks; Brakes lock and prevent vehicle from moving; vehicle stuck on railroad tracks with traffic behind honking
Codes mentioned: Forward collision warning system activation, Blind spot detection sensor malfunction (suspected)
Repairs/costs cited: Dealership acknowledged the issue. GM stated it would install 'black box' monitoring device but never did. No repair solution provided.
Recalls/TSBs owners mention: GM acknowledged the issue but declined to provide a fix or recall. Owner reports GM failed to follow through on promise to install monitoring device.
Air Conditioning Spontaneous Activation
Air conditioning system turns on to high setting automatically without driver input, on multiple occasions, without any warning indicator illuminated.
When: Multiple occasions during vehicle operation
Symptoms owners cite: AC compressor engages and runs at high setting without user command; No warning lights illuminate before AC activation; AC cycles on repeatedly despite being manually turned off
Repairs/costs cited: HVAC control module replaced. Failure recurred after repair.
Recalls/TSBs owners mention: Manufacturer stated vehicle is 'working as designed' and described AC activation as a 'beneficial feature' activated by outside temperature and humidity. No repair offered.
Brake System Malfunction—Dragging and Lock-Up
Brake system exhibits dragging or lock-up behavior. One owner reports brake pad locked when shifting to park, preventing manual brake release. Another reports brake lights remaining on continuously, draining battery.
When: Reported at various mileages; one instance early in ownership causing need for battery replacement at 31,000 miles
Symptoms owners cite: Brake pedal/brake pad locks when shifting to park; Brake lights remain on continuously after vehicle is parked; Brake lights prevent vehicle from powering down completely; Brake lights dragging cause battery drain
Codes mentioned: Brake system warning (recall noted for one owner)
Repairs/costs cited: Brake system repair performed under recall for one owner. Cost absorbed by manufacturer under recall coverage.
Recalls/TSBs owners mention: Brake light/lock-up issue was subject of a recall affecting at least one 2017 Acadia Denali owner.
Keyless Entry Failure—Fob Not Detected
Vehicle fails to recognize key fob. Remote key signals go undetected despite fob being present and in working condition. Vehicle may lock occupants inside or prevent starting.
When: Reported intermittently from early ownership through 46,000+ miles
Symptoms owners cite: Dashboard displays 'NO REMOTE DETECTED' or 'KEY NOT DETECTED' message; Vehicle does not unlock or lock using key fob; Vehicle fails to start despite valid fob present; Occupants locked inside vehicle; cannot exit; Door automatically locks occupant inside when key signal is lost (e.g., in car wash); Vehicle seat moves unexpectedly when key is not detected (auto-adjusting seat retracts to exit position even when occupant is in seat)
Codes mentioned: NO REMOTE DETECTED, KEY NOT DETECTED
Repairs/costs cited: Dealership replaced key fob battery multiple times despite fob appearing to have adequate charge. Some owners report needing to replace fob battery every 8–10 weeks. Body control module or receiver module may require replacement. One owner reports water intrusion into driver-side door wiring caused corrosion and loss of fob detection; door wiring was replaced.
Recalls/TSBs owners mention: No systematic fix offered. Dealership often assumes fob battery is depleted despite owner reports of recent replacement.
Electrical System Shutdown and Warning Light Cascade
Multiple warning lights flash on and off simultaneously (not in sequence), while RPM and MPH gauges fluctuate erratically. Vehicle cannot accelerate even with pedal fully pressed, especially on inclines. System may cause vehicle to jerk or hesitate when shifting from reverse to drive. Can occur in driveway or while driving; creates dangerous situation in traffic.
When: Reported at 6 months prior to repair; recurred after 6 months of dealer 'fix'
Symptoms owners cite: Multiple warning lights flash on and off simultaneously; RPM needle fluctuates wildly; MPH/speed needle fluctuates wildly; Vehicle will not accelerate even with accelerator pedal fully pressed; Severe hesitation when starting from stop, especially on incline; Vehicle jerks when shifting from reverse to drive; Engine appears to have intermittent power delivery; Issue occurs both while parked and while driving
Repairs/costs cited: Dealership spent 10 days attempting diagnosis and repair on first occurrence. Repair appeared to work for 6 months, then issue recurred. Dealership kept vehicle for a week on second occurrence without resolving issue. No permanent fix identified.
Recalls/TSBs owners mention: No recall or extended warranty noted. Root cause not identified by dealership.
Throttle Control and Propulsion Power Loss
Engine power, propulsion power, and steering assist are reduced or disabled, triggering multiple warning messages simultaneously. Vehicle loses ability to accelerate and control steering.
When: Reported at 87,000+ miles
Symptoms owners cite: 'Steering Assist is Reduced, Drive with care' message; 'Engine Power Reduced' message; 'Propulsion Power is Reduced' message; 'Service Parking Brake' message; Vehicle cannot accelerate normally; Loss of steering assist; Multiple warning messages appearing simultaneously
Codes mentioned: P2138 (Throttle/Pedal Position Sensor Correlation Error)
Repairs/costs cited: Owner diagnosed code P2138 at auto parts store. No dealership repair noted at time of complaint.
Recalls/TSBs owners mention: No response noted.
Synthesized from 143 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 5 most recent
When I put my vehicle in park and turn it off, my shift to park message comes across and I have to turn my vehicle back on and move the gear from park to something else and back to park. Sometimes this has to be done a few times before it will completely turn off.
The contact owns a 2017 GMC Acadia. The contact stated that after shifting to the park position and attempting to turn the vehicle off, the engine shut off but the headlights and dashboard lights remained illuminated. Also, on multiple occasions, the battery had drained and the vehicle had to be jump-started. The vehicle was taken to the local dealer who diagnosed that the floor shifter harness…
Pulled into a parking space, put the car into park and tried to shut the car off. The warning system said I needed to shift to park. I was in park but could not shut the car off because the car thought I wasnt in park. Took 15 minutes of shifting from park to all gears and shaking the gear shifter before it finally let me shut the vehicle off. This is now the second time this has happened…
The a/c comes on and off automatically and you have no control over it. Gm states they did this so you don't have to turn your DEF. On. While I'm driving I continually have to take my eyes off the road to fiddle with the temp. Control. (the a/c comes on full cold) I've contacted GMC and they refuse to do or offer any help in this matter.
Shift to park error message when vehicle is in park and engine will not shut off. NOT RECOGNIZING MICROSWITCH IN THE CONSOLE. NEEDS A RECALL.
Had electrical trouble with your 2017 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 2017 GMC Acadia?
It's a documented issue but not catastrophic. 143 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 66 complaints that reported odometer mileage, most electrical failures cluster between 18,200 and 44,500 miles, with the median around 34,000. A quarter of owners report trouble before 18,200; a quarter make it past 44,500. 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/2017/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.