The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant leaks.
full bulletin at NHTSA ↗2016 Toyota Camry electrical problems
severe Owners of the 2016 Toyota Camry have filed 18 NHTSA complaints about the electrical, typically surfacing around 25,000 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
18
Recalls
0
Avg fix
$850
| Model year | electrical complaints |
|---|---|
| 2012 Camry | 53 |
| 2013 Camry | 20 |
| 2014 Camry | 3 |
| 2015 Camry | 19 |
| 2016 Camry (this page) | 18 |
| 2017 Camry | 17 |
| 2018 Camry | 56 |
| 2019 Camry | 21 |
| 2020 Camry | 58 |
2crashes
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.
Customers have expressed concerns about the performance of Qi Wireless Chargers. Wireless chargers on applicable vehicles are designed to work with Qi Certified devices only. MagSafe devices, that are not Qi Certified, may not charge as expected with Qi Wireless Chargers.
full bulletin at NHTSA ↗Customers have expressed concerns about the performance of Qi Wireless Chargers. Wireless chargers on applicable vehicles are designed to work with Qi Certified devices only. MagSafe devices, that are not Qi Certified, may not charge as expected with Qi Wireless Chargers.
full bulletin at NHTSA ↗TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased. Follow the procedures in this bulletin to reset a vehicle Immobilizer or Smart Key system.
full bulletin at NHTSA ↗TSB This Service Bulletin includes guidelines meant to help determine whether to repair or replace a wire harness assembly based on damage type. This Service Bulletin should be used in conjunction with the applicable model and model year Electronic Wiring Diagram (EWD) and/or Repair Manual.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners of the 2016 Camry describe a constellation of electrical failures that often resist diagnosis. The most serious involve intermittent loss of motive power at traffic lights or during normal driving, triggered by a "Check Charging System" warning. One owner reported complete electrical shutdown at 18K miles; another at 200K had recurring power loss. Dealer diagnostics frequently show no fault codes, and Toyota Corporate has dismissed complaints where the computer logs nothing, leaving owners stranded and skeptical.
A separate and widespread issue involves rodent damage. One owner works at a dealership and witnesses 4–8 wiring-harness repairs monthly, all traced to mice eating soy-based insulation. His own harness required full replacement because the harness is not modular. Another owner spent over $4,500 in total costs after mice nested in the HVAC cores. Owners cite soy-based wiring as the culprit.
Other electrical faults include brake-pedal failures tied to electrical loss (low mileage), headlight-switch open circuits ($600 repair), radio touchscreen and steering-wheel control buttons that stop working, steering-column spiral cable damage, and door-lock button failure. Dashboard noise with warning lights illuminating has also been reported, though dealers cannot identify the source. Many repairs remain incomplete or undiagnosed.
Same Toyota Camry electrical reports on nearby years: 2013 · 2015 · 2017 · 2018 · 2019
Failure modes owners describe
Charging System Failure / Loss of Electrical Power
Vehicle loses electrical power and motive force while driving or at rest, with 'Check Charging System' warning displayed. Dealer diagnostics often show no fault codes despite intermittent power loss. Multiple owners report recurring incidents over time.
When: 18K–200K miles; incidents occur randomly while stopped or driving at low speed
Symptoms owners cite: ABS and charging system warning lights illuminate; Complete loss of motive power (cannot shift out of Park); Loss of electrical functionality including flashers; Vehicle stalls or loses power at traffic lights; Multiple warning lights illuminate; Vehicle returns to normal after restart
Repairs/costs cited: Dealer overnight diagnostic performed in narrative #1 with no failure indicated. Narrative #7 reports independent mechanic unable to determine cause. Repairs not completed.
Recalls/TSBs owners mention: Toyota Corporate stated in narrative #1 that no error message on computer means car is safe to drive.
Wiring Harness Damage – Rodent Infestation
Rodents (mice) attracted to soy-based wiring insulation damage or consume entire wiring harnesses, causing widespread electrical failures. Owner (#2) reports witnessing 4–8 wiring harness repairs monthly at workplace dealership, all attributed to rodent damage. Complete harness replacement required because harness is not modular.
When: Occurs throughout vehicle life; narrative #2 reports replacement in January during early ownership
Symptoms owners cite: Visible rodent damage to wiring harness; Rodents nesting in HVAC ducts and heating/cooling cores; Mice observed jumping out while driving; Heating and cooling system malfunction; Widespread electrical system faults from single damaged wire
Repairs/costs cited: Narrative #2: Complete wiring harness replacement (January). Narrative #4: Heater core, AC core, heater fan, and ductwork replacement; owner paid $4,500 total ($500 deductible + $4,000 insurance payout + $300 metal screens).
Brake System Electrical Failure / Loss of Brake Function
Brake pedal fails to function after electrical events or rear-end collision, with loss of motive power or unintended acceleration. Vehicle responds only after brake is depressed with excessive pressure or after vehicle restart. Electrical issue confirmed by dealer in one case.
When: Low mileage (3K–36K miles)
Symptoms owners cite: Brake pedal depression does not stop vehicle; Unintended acceleration following brake application; Brake failure lasts 45 seconds before regaining control; Complete loss of electrical power coinciding with brake failure; Airbags fail to deploy during collision
Repairs/costs cited: Narrative #3: Passport Toyota diagnosed electrical issue; no repair documented. Narrative #10: Vehicle crashed into rear of another vehicle; taken to dealer for diagnosis and repair (details not provided).
Headlight Switch Failure / Open Circuit
Headlight switch develops open circuit condition, causing headlights to cycle on and off intermittently or remain off. Owner reports this is a recurring issue across multiple Toyota generations.
When: 21K miles
Symptoms owners cite: Headlights turn on and off intermittently; Headlights fail to operate at night
Codes mentioned: Open circuit in headlight stalk/switch
Repairs/costs cited: Toyota dealer provided $600 estimate for headlight stalk/switch replacement (narrative #11).
Recalls/TSBs owners mention: Owner notes some 2016 Camry models have recalls but none resolved this defect.
Radio / Infotainment System Malfunction
Radio touchscreen and steering-wheel control buttons malfunction, leaving system unresponsive and stuck on home screen. Clock displays incorrect time but cannot be adjusted. Radio changes stations without user input.
When: Not specified
Symptoms owners cite: All radio control buttons (steering wheel and dash) do not function; Touchscreen unresponsive; System stuck on home screen; Clock displays but shows wrong time and cannot be changed; Radio changes stations without user input; Unable to access Bluetooth or change audio source
Steering Wheel Spiral Cable Failure
Spiral cable (clock spring) in steering column requires replacement after foreign object (string) becomes caught in electrical mechanism. Airbag warning light illuminates, indicating electrical fault in restraint system circuit.
When: 50,197 miles
Symptoms owners cite: Airbag warning light illuminates; Foreign object interference with spiral cable mechanism
Repairs/costs cited: Toyota of Louisville diagnosed need for spiral cable replacement; vehicle not repaired (narrative #6).
Recalls/TSBs owners mention: Manufacturer informed contact that repair must be paid out of pocket (narrative #6).
Dashboard Noise and Warning Lights
Intermittent scary noise originating from behind dashboard near air conditioner, sometimes accompanied by all dashboard warning lights illuminating and loud alarm sound. Noise comes and goes unpredictably with no clear cause identified.
When: Issue noted in 2018 during ownership
Symptoms owners cite: Intermittent loud noise behind dashboard near AC; All dashboard warning lights illuminate (red); Loud alarm sound; Symptoms resolve when vehicle is driven normally; Intermittent recurrence with no pattern
Repairs/costs cited: Owner drove to dealership same day; no repair was documented. Vehicle operated normally during dealership visit.
Recalls/TSBs owners mention: Toyota requested owner bring vehicle to dealership but did not offer towing.
Automatic Door Lock Malfunction
Automatic locking feature does not engage when vehicle is in Drive, and manual unlock button does not respond when pressed.
When: Not specified
Symptoms owners cite: Automatic locks do not lock while vehicle is in Drive; Door unlock button does not function; Manual unlock button press has no effect
Synthesized from 18 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Had electrical trouble with your 2016 Toyota Camry?
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 2016 Toyota Camry?
It's a meaningful issue. 18 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 11 complaints that reported odometer mileage, most electrical failures cluster between 14,174 and 126,500 miles, with the median around 25,000. A quarter of owners report trouble before 14,174; a quarter make it past 126,500. 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/2016/Toyota/Camry.
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.