This SA supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-061/25 12/17/25 DESCRIPTION If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal MGSS diagnosis by asking if any aftermarket devices have been installed. Aftermarket devices may be the cause of the electrical concern. Below are a few examples of unusual electrical concerns caused by aftermarket devices. Examples: 1. Devices connected to the DLC-2 (battery discharge/DTC stored) 2. Devices plugged into the 12V outlet 3. GPS tracking device (engine no start/battery discharge) 4. Dash cam (DTC stored)
full bulletin at NHTSA ↗2014 Mazda Mazda6 electrical problems
moderate Owners of the 2014 Mazda Mazda6 have filed 42 NHTSA complaints about the electrical, typically surfacing around 70,000 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
42
Recalls
0
Avg fix
$850
| Model year | electrical complaints |
|---|---|
| 2010 Mazda6 | 12 |
| 2011 Mazda6 | 7 |
| 2012 Mazda6 | 11 |
| 2014 Mazda6 (this page) | 42 |
| 2015 Mazda6 | 5 |
| 2016 Mazda6 | 9 |
| 2017 Mazda6 | 18 |
| 2018 Mazda6 | 3 |
When does it fail?
Of the 42 electrical complaints filed for the 2014 Mazda Mazda6, 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
Of the 12 model years of Mazda Mazda6 we track for electrical problems, this one carries the most owner complaints on file — 42.
Electrical accounts for 31% of every owner complaint on file for this vehicle — the dominant problem area across 12 categories tracked.
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 Service Alert supersedes the previously issued SAs and bulletin(s) listed below: The changes are noted below in red. SA-010/23 02/09/23 DESCRIPTION Some customers may experience one or more electrical malfunctions after a vehicle body repair. A newly painted fender stay (2) may be causing a poor front harness (1) ground connection. The front fender stay (2) newly painted surface at ground point (3), where attachment bolt (4) is seated, may create a poor front harness ground connection. NOTE: DO NOT paint ground point (3) attachment bolt (4) is seated. NEWLY INSTALLED FRONT FENDER STAY NOTE: CAUTION: If the bolt (4) contact area (3) is painted when the front fender stay (2) is newly repl
full bulletin at NHTSA ↗If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal MGSS diagnosis by asking if any aftermarket devices have been installed. Aftermarket devices may be the cause of the electrical concern. Below are a few examples of unusual electrical concerns caused by aftermarket devices.
full bulletin at NHTSA ↗For improvement of electrical diagnosis, the SKYACTIV® Wiring Terminal Test Kits has been delivered all the dealers. The terminal test kit enables you: To check pin fit drag of all PCM terminals used in SKYACTIV® vehicles and compare suspect terminal drag with a known good terminal. To measure the voltage/resistance avoiding any terminal damage.
full bulletin at NHTSA ↗For improvement of electrical diagnosis, the SKYACTIV® Wiring Terminal Test Kits has been delivered all the dealers. The terminal test kit enables you: To check pin fit drag of all PCM terminals used in SKYACTIV® vehicles and compare suspect terminal drag with a known good terminal. To measure the voltage/resistance avoiding any terminal damage.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2014 Mazda6 electrical system generates two broad categories of complaint across these 42 reports.
Ignition/park switch failure dominates the cluster. When owners press the push-button start/stop with the car in park, the engine shuts down but the ignition stays in accessory mode—radio, lights, dashboard display remain powered. Doors won't lock. Owners describe repeatedly cycling the gear shifter in and out of park, sometimes 10–30+ times, before the system recognizes park and kills all power. The issue typically appears between 50,000 and 106,000 miles, often right outside warranty coverage. Dealers confirm the park position switch in the transmission shifter assembly is faulty and needs replacement (part KDYO-46-040, estimated $50–400 installed). Mazda has declined to recall despite complaints dating back to 2012–2014 model years; the company says insufficient complaints registered and no safety threshold met. Owners point to documented discussion on oemdtc.com and cite the risk of dead batteries stranding them, or worse—unintended gear engagement causing an accident.
Secondary issues include engine stalling while driving (with loss of steering assist and braking assist, requiring immediate pullover and restart), unexplained electrical power loss and voltage swings, backup camera obstruction by system alerts, intermittent forward obstruction warning flashes, and audio memory/USB integration failures. Mechanics and dealers cannot diagnose the stalling or power issues; one owner suspected correlation with Mazda's recall 7314D for PCM reprogramming in certain 2013–2014 models, but their vehicle wasn't included despite identical hardware. Independent repair shops and dealerships have offered no solutions for most of these problems.
Same Mazda Mazda6 electrical reports on nearby years: 2012 · 2017
Failure modes owners describe
Ignition/Park Switch Fails to Turn Off Vehicle
When pressing the push-button start/stop with the vehicle in park, the engine stops but the ignition remains in accessory mode, keeping electrical systems (radio, lights, dashboard, accessories) powered on. This prevents door locking and allows the battery to drain. Owners report needing to repeatedly shift gears in and out of park—sometimes 5, 10, 20, or 30+ attempts—to force the system to recognize park and shut down completely. The issue appears linked to a worn or faulty park position switch in the automatic transmission shifter assembly.
When: Typically emerges between 50,000–106,000 miles, often around 50–75K (just outside the factory warranty); some owners report onset within months of purchase.
Symptoms owners cite: Engine stops but accessories/radio/lights remain on; Vehicle stays in accessory mode after pressing start/stop; Error message stating car must be in park, even though it is in park; Orange light on push-start button indicating accessory mode; Repeated gear shifting required to achieve full shutdown; Inability to lock doors while ignition remains active; Battery drain and eventual dead battery if vehicle left unattended
Codes mentioned: NHTSA ID 10160553
Repairs/costs cited: Dealer typically replaces the park position switch/shifter switch assembly (part reference KDYO-46-040 cited); owners report parts often backordered due to prevalence of the issue; replacement cost cited as ~$50–$400 depending on labor and part sourcing.
Recalls/TSBs owners mention: Mazda has declined to issue a recall despite numerous complaints dating back to 2012–2014 model years; company stated insufficient complaint registration and claimed safety threshold not met; known issue documented on oemdtc.com and acknowledged as affecting 2013–2014 models, particularly those manufactured late 2013–early 2014.
Unexpected Engine Stalling While Driving
Engine stalls without warning while the vehicle is in motion (at speeds ranging from 20 mph to 40 mph). The vehicle loses power and must be coasted to the side of the road; it restarts normally after being turned off and restarted. Warning lights (check engine, stability control, traction control) illuminate during or after stalling. In some cases, the vehicle experiences repeated stalls on consecutive days. One owner suspected correlation with the regenerative engine braking system software issue recalled in certain 2014 Mazda3 and 2014–2015 Mazda6 models with 2.5L engines (recall 7314D), though not all stalling narratives were explicitly tied to that recall.
When: Reported at mileages ranging from 46,000 to 57,000 miles; one case occurred shortly after a recall repair (2014 Mazda6 with 145,000 miles).
Symptoms owners cite: Sudden engine stall while driving at variable speeds; Loss of steering assist and braking assist upon stall; Infotainment and speedometer shut off; Check engine light, stability control warning, traction control warning illuminated; Vehicle unable to accelerate past 2000 rpm in one case; Engine sputtering on startup; Restart required; vehicle then drives normally (until next stall occurs)
Codes mentioned: Check engine light (generic; specific codes not always extracted), Abrupt voltage change issue cited in one narrative
Repairs/costs cited: Independent mechanics unable to diagnose the issue; Mazda dealers did not diagnose or repair in reported cases; one owner suspected mass airflow sensor fault based on startup sputter.
Recalls/TSBs owners mention: Recall 7314D (May 19, 2014) addressed alternator belt slipping in heavy rain causing PCM to assume charging system failure; affected vehicles manufactured May 20–December 4, 2013 with 2.5L engine and regenerative braking system; repair was PCM reprogramming free of charge. One owner reported this recall was closed in 2015 but the problem persisted post-repair. Another owner noted similar cylinder deactivation software issue recalled for 2018–2019 Mazdas but not applied to 2014 model.
Electrical Power Loss and Voltage Fluctuations
Vehicle experiences intermittent loss of electrical power with or without engine stalling. Electrical components (headlights, hazard lights, infotainment, gauge cluster) shut off abruptly and restart within seconds. In some cases, the vehicle loses full power during driving and must be pulled over; other times it recovers without driver intervention. Check engine light indicates voltage or charging system issues but warnings clear after power cycles. Problem occurs with no consistency and has nearly caused accidents.
When: Mileage not always specified; one case involved a vehicle that began losing power after an I-Loop battery replacement around 3 years of age.
Symptoms owners cite: Sudden loss of electrical power mid-drive; Headlights and hazard lights shut off and restart; Infotainment system shutdown; Check engine light for voltage change issue; Vehicle appears to recover after seconds without driver action; Inability to start (as if battery dead) followed by all systems resuming; Multiple warning lights illuminating simultaneously
Codes mentioned: Abrupt voltage change (CEL)
Repairs/costs cited: One owner reported dealership recommended a tune-up initially; subsequent inspection revealed the vehicle's I-Loop regenerative battery system was failing after only 3 years (well short of the intended 5-year lifespan); replacement cost cited as $500+. Battery was incorrectly represented by used-car dealer as requiring only standard maintenance.
Recalls/TSBs owners mention: No manufacturer response or recall noted for this issue in the narratives provided; owner complaint centers on lack of disclosure about I-Loop battery wear and costs.
Rear View Camera Malfunction
Backup camera display fails to show proper video feed or becomes obstructed by system messages/alerts under specific conditions: (1) quickly shifting into reverse immediately after engine start causes FM radio off-message to overlay top third of camera view; (2) incoming text message triggers message overlay covering entire camera view while in reverse; (3) Bluetooth GPS device activation causes camera to shut off and display audio page instead of camera feed. Owner must employ workaround: disable all Bluetooth devices, start engine, wait for audio system to fully load, and only then shift to reverse.
When: Specific mileage/timing not stated in narrative.
Symptoms owners cite: Rear view camera video obscured or replaced by radio status message; Entire camera view covered by text message notification while reversing; Camera feed disabled when Bluetooth device connects and activates car audio; Audio page displayed instead of camera video; Compromised visibility when reversing
Repairs/costs cited: No repair attempted or recommended in narrative; owner developed manual workaround.
Intermittent Forward Obstruction Warning (FOW) Flashing
Forward obstruction warning indicator flashes on dashboard for approximately 3 seconds during startup and warm-up, as if indicating a loose connection. Flashing stops once vehicle warms up but returns with each restart. Cruise control function appears affected by the warning flashes. Manual disabling of FOW stops the flashing temporarily, but the warning reactivates when car is restarted.
When: Occurs every time the vehicle is started and driven; problem persists across vehicle sessions.
Symptoms owners cite: FOW inspection required light flashes on dashboard; Flashing occurs for ~3 seconds during startup; Flashing stops after vehicle warms up; Cruise control performance affected during flashing episodes; Flashing returns with each vehicle restart
iPod/USB Audio System Memory and Integration Issues
When connecting an iPod to the vehicle's USB port, the infotainment system does not retain playback history or user selection. Instead, the car's audio system 'spools' (processes the entire device directory) for up to 5 minutes before starting playback from the first song on the device, regardless of which song was last played or currently selected. This forces owners to use the auxiliary (AUX) input instead of USB, preventing them from experiencing the full quality of the integrated Bose sound system.
When: Issue present on purchase/setup; not a degradation over time.
Symptoms owners cite: iPod USB connection does not retain memory of last-played track; Long initialization time (up to 5 minutes) when device is first connected; Playback always starts from first song on device; No option to select starting point during initial inquiry or setup; Users forced to use AUX input to avoid delay, compromising audio quality
Repairs/costs cited: Owner suggests firmware update to resolve; no repair attempted.
Tire Pressure or Wheel Balance Warning Light Stays On
Red light indicator on radio/dashboard panel indicating tire imbalance remains illuminated even after the vehicle has been switched off. Light persists on the radio display panel and reactivates when car is restarted.
When: Specific mileage/timing not stated.
Symptoms owners cite: Red light indicating tire imbalance on dashboard/radio panel; Light remains on after ignition is turned off; Light reactivates on subsequent vehicle restarts
Synthesized from 42 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 8 most recent
When I put the car in park and push the push start/stop button, the car shuts off but the accessories and middle console display stay on. I have to keep shifting the car between the park position and the drive position before I put it back to the park position for the car to completely shut-off. This car is available for inspection. As far as safety is concerned, the only thing I can think…
When placing the car in park and pushing the off/on button an error message will appear saying the vehicle must be in park when it is and shows that on the dashboard and by looking at the gear shifter. The only way to fix it so you can turn off the electricity to the accessories and be able to lock your car is to start it again, put it into a different gear, and try again. Sometimes it will work…
With no consistancey, the car would loose power. At times, I thought the car would loose full power, in the middle of my commute, I would be forced to pull over and shut the car off. Most times, the car would return to normal conditions. When I brought it in for repair, byers Mazda of columbus, told me it needed a tune-up. Once again, the car almost stalled out and I managed to coast into a…
Fow inspection light comes on when going above 55 MPH. Cruise [xxx] off and brakes are pressed. Parts of this document have been redacted to protect personally identifiable information pursuant to the freedom of information act (foia), 5 u.s.c. 552(b)(6).
Tl* the contact owns a 2014 Mazda 6. When the push to start button was pressed to turn off the vehicle, the engine turned off, but the electrical features continued to operate independently and intermittently. The contact stated that an orange light on the push start button alerted him that the vehicle was in accessory mode. In order to fully turn off the vehicle, the contact would restart the…
The rear view camera, needed for adequate visibility when driving in reverse, does not function under the following circumstances: 1. Quickly shifting into reverse after starting the car. In this situation, the top third of the rear view video is covered by a messages that says the car's fm radio is turned off. 2. Receiving a text message. If a text message is received while driving in…
When you turn the car off the accessory stays on. In other words it doesn’t shut off all the way. That is a hazard because the battery will go dead in time. I looked on the internet and found a lot of complaints about this issue with these cars. The car has a defective shifter switch. Mazda won’t recall the part even though there have been many complaints. This is a defective part. If a…
When putting the car in park and pressing the start/stop button, the car does not shut off. This has been going on for about 6 months now that I know of and persistently gets worse.
Had electrical trouble with your 2014 Mazda Mazda6?
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 Mazda Mazda6?
It's a documented issue but not catastrophic. 42 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 23 complaints that reported odometer mileage, most electrical failures cluster between 46,500 and 99,500 miles, with the median around 70,000. A quarter of owners report trouble before 46,500; a quarter make it past 99,500. 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/2014/Mazda/Mazda6.
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.