Service Bulletin - The engine will not crank on initial startup after precipitation and sub-freezing temperatures. Water can enter the starter motor, and when temperatures drop below freezing, the water will freeze inside the starter motor. This will prevent the starter from cranking the engine.
full bulletin at NHTSA ↗2017 Honda Pilot electrical problems
moderate 230 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Failure mileage
Complaints
230
Recalls
0
Avg fix
$850
1crash
2fires
When does it fail?
Of the 230 electrical complaints filed for the 2017 Honda Pilot, 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
Owners have filed 230 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 21 model years of Honda Pilot in our records for electrical problems, this one ranks #2 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.
Service Bulletin - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Typically, the customer can immediately restart the vehicle by selecting Park and pushing the ENGINE START/STOP button.
full bulletin at NHTSA ↗Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2018 Odyssey, Pilot, Ridgeline with a customer complaint of the vehicle running rough or in low power mode with the Malfunction Indicator Light (MIL) on with one or more of the DTC listed below (in Qualifiers) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
full bulletin at NHTSA ↗Service Bulletin - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Typically, the customer can immediately restart the vehicle by selecting Park and pushing the ENGINE START/STOP button.
full bulletin at NHTSA ↗Service Bulletin - Under certain circumstances, after coming to a stop and engaging idle stop, the vehicle may not restart automatically due to excessive cylinder pressure and/or low cranking torque. Typically, the customer can immediately restart the vehicle by selecting Park and pressing the ENGINE START/STOP button. NOTE: If 23-008 Product Update: PGM-FI Idle Stop Software Update is applicable to the VIN, the PGM-FI software must be updated first before the warranty extension applies. Honda is extending the warranty coverage for valve adjustment and starter replacement related to this condition to 10 years from the original date of purchase with no mileage limitation.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2017 Honda Pilot exhibits a constellation of electrical and control-system failures centered on the auto idle stop/start feature, body control modules, and power management. Most commonly, owners describe the engine refusing to restart after the idle stop feature shuts it down at traffic lights or stop signs—leaving vehicles stranded mid-intersection with all dashboard warning lights active and clicking relay sounds. Restart attempts often require placing the car in Park, powering it down completely, and trying multiple times, sometimes taking 2+ minutes. Some owners report total electrical blackouts during these events: radio and dash lights cut, no hazard lights, no ability to shift to Neutral. A secondary pattern involves unintended vehicle activation while parked—the car cranking its engine, lights and interior systems firing, door locks and alarms triggering without driver input, draining the battery overnight. Dashboard warning messages include "Keyless Start System Problem," transmission/emission codes, and anti-theft system alerts. Owners consistently report dealers unable to replicate issues in-shop yet finding no diagnostic codes, and multiple visits for the same problems. Battery replacements, software updates, and other repairs provide only temporary relief or fail entirely. The failures occur across a wide mileage range and create genuine traffic hazards: vehicles unable to move on freeways, stop-and-go traffic blocked, and near-miss collisions from vehicles behind.
Same Honda Pilot electrical reports on nearby years: 2015 · 2016 · 2018 · 2019 · 2020
Failure modes owners describe
Auto Idle Stop/Start failure to restart
Engine shuts down via auto idle stop feature at traffic lights or stop signs, then fails to restart when brake is released. Vehicle becomes stranded with all dashboard warning lights illuminated. Restart requires placing car in Park, fully powering down, and attempting multiple times, often taking 2-10+ minutes.
When: At traffic lights, stop signs, stop-and-go traffic; occurs from early mileage (20k) to higher mileage; worsens over time
Symptoms owners cite: Engine stalls/shuts down unexpectedly after idle stop engages; No restart when brake released; All dashboard warning lights come on; Clicking relay sounds from steering column or engine compartment; Complete electrical blackout (radio, lights, hazard lights unresponsive); Message on dash: 'To start engine: brake and push start button'; Vehicle shifts to Neutral involuntarily; Slow or hesitant restart after multiple attempts; Issue worsens in hot weather or when A/C is running
Codes mentioned: P170B - Dog Clutch A Abnormal Operation, U0230 - Gauge Lost Comm w/ PTG, U1281 - Gauge Lost Comm w/ MICU, U0199 - MICU Lost Comm w/ Master Switch, U0180 - Climate Control Lost Comm w/ Master Switch, P2652
Repairs/costs cited: Owners cite battery replacement ($500–$1000), starter replacement, fuel injector replacement, software updates (PGM-FI Idle Stop Software Update recall), valve adjustment/compression service, and fuel rail replacement. Replacements often provide temporary relief (weeks to months) before issue recurs. Some owners cite need for DC/DC converter replacement.
Recalls/TSBs owners mention: January 2023 service bulletin released describing the issue; PGM-FI Idle Stop Software Update recall issued (March 2023 and May 2024 notices); owners report dealers claim inability to replicate and no error codes present; no recall for all affected VINs; some dealers suggest hardware fixes (battery, starter, valve service) at owner cost
Unintended engine cranking and alarm activation while parked
Vehicle attempts to start itself while parked and off, with no driver input or key fob present. Interior and exterior lights flash, relays click repeatedly, door alarms sound, battery drains overnight. Occurs most in humid or rainy conditions, particularly at night.
When: While parked, often at night or in humid/rainy weather; some owners report it happening for months before first occurrence
Symptoms owners cite: Car alarm sounds randomly while parked; Dashboard lights flash on and off; Interior lights flicker; Clicking/relay sounds from steering column or engine; Headlights and running board lights turn on; Door locks and alarm triggers without user action; Battery drained from repeated cranking attempts overnight; Hazard lights, radio, and other systems cycle on/off; Warning message: 'Anti-theft System has lost power'
Codes mentioned: B12D3 - Body Control Module failure
Repairs/costs cited: Owners cite replacement of control modules: Control Unit-Smart Power (part 38320-TG7-A32, ~$400 part + $700–$800 labor) or Keyless Access Control Unit (part number varies). Some owners cite temporary fixes like disconnecting battery, disabling hood sensor, or leaving vehicle unlocked. Part availability extremely limited, with 4+ month backlogs reported.
Recalls/TSBs owners mention: Service Bulletin 20-117 identifies defect in push-button start/stop switch assembly for 2016–2017 models; replacements of control modules completed by dealers; most owners report part not covered under recall or warranty; some dealers file warranty claims after owner escalation; no recall issued despite widespread pattern
Electrical system power loss and complete vehicle shutdown while driving
Vehicle loses all electrical power while in motion, most often triggered by brief brake pressure (near-stop rather than full idle stop) or collision mitigation system activation. Engine dies, transmission shifts to Park on its own, hazard lights and instrument panel go dark, vehicle cannot be restarted for 5+ minutes.
When: While driving in traffic, on highways, or approaching stop lights; occurs sporadically and unpredictably
Symptoms owners cite: Complete loss of electrical power while in Drive; Engine shuts off without warning; Transmission shifts to Park automatically; Dashboard and radio go completely dark; Hazard lights inoperable; Vehicle cannot be restarted for 5+ minutes; Collision mitigation light flashes with steering wheel jerk; Brief error message appears (too quick to read); After restart, 'Anti-theft System' or transmission warning message displays
Codes mentioned: P2652
Repairs/costs cited: No specific repair cited by owners; issue typically attributed to electrical control module malfunction; some owners report disconnecting battery to reset system
Recalls/TSBs owners mention: Dealerships unable to reproduce issue and unable to identify error codes; no recalls or service bulletins referenced for this specific failure mode
Dashboard electronics flickering and system alert cycling
Dashboard lights, radio, and instrument cluster flicker on and off, especially during or immediately after auto idle stop restart. All warning lights cycle through repeatedly, displaying system error messages. May occur independently of engine stall or in conjunction with it.
When: During auto idle stop restart cycles; worsens with repeated start/stop events in short time (urban driving); some instances at night when parked
Symptoms owners cite: Radio cuts in and out with loud pop or buzzing noise; Dashboard cluster lights flicker on/off; Home screen on instrument panel goes blank; Collision detection and lane departure warning buttons turn off and require manual re-activation; All dashboard warning lights illuminate sequentially; Dashboard displays 'Problem' message after scrolling through vehicle systems
Repairs/costs cited: Some owners cite battery replacement; no specific parts noted
Recalls/TSBs owners mention: No service bulletins or recalls specifically address this symptom
Body control module malfunction with recurring failure pattern
Faulty body control unit (BCM) causes multiple overlapping electrical issues: unintended alarm activation, dashboard flickering, clicking relay sounds, and random component failures. Issue recurs or worsens even after repairs attempted.
When: Recurring throughout vehicle life; no specific trigger; symptoms worsen over time
Symptoms owners cite: Repeating alarm activation; Clicking sounds in steering column; Dashboard warning lights intermittently illuminated; Multiple warning messages displayed; Electrical system attempts to start vehicle without input
Codes mentioned: B12D3
Repairs/costs cited: Replacement of body control module; part number varies; typically $700–$900+ for labor and diagnostics; parts frequently on backorder with no ETA
Recalls/TSBs owners mention: Service performed by Honda dealerships when diagnosed; 737,000 BCM recalls issued in 2020 for some model years, but owners report their VINs not included in recall; no warranty coverage for out-of-warranty vehicles
Synthesized from 230 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 3 most recent
Engine fails to restart after the engine idle stop shuts off the engine when stopped. It is difficult to restart the engine from this state and creates a safety hazard with the car being disabled for a period of time. It does not happen every time. The battery in this vehicle was replaced 18 months ago and the vehicle has no trouble starting normally.
The auto start stop function has failed multiple times on this vehicle in different situations with multiple different drivers. When my mother in law was driving my vehicle with my kids in the car the vehicle would not restart at a stop light in the middle of town with moderately heavy traffic. It took several tries to get the vehicle started again. This has happened to me several times at stop…
Keyless start system problem error appearing on dashboard. Vehicle has 47,000 miles on it. Electrical is going haywire in that lights intermittently turn on, all error lights flash on dash and dash tries to boot through various ignition states (accessory mode, idle, etc). Car alarm will randomly go off, and it takes several minutes to disengage alarm because key fob not working correctly when…
Had electrical trouble with your 2017 Honda Pilot?
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 Honda Pilot?
It's a documented issue but not catastrophic. 230 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 52 complaints that reported odometer mileage, most electrical failures cluster between 28,000 and 57,000 miles, with the median around 36,500. A quarter of owners report trouble before 28,000; a quarter make it past 57,000. 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/2017/Honda/Pilot.
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.