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 ↗2006 Toyota Camry electrical problems
severe 24 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Failure mileage
Complaints
24
Recalls
0
Avg fix
$850
2crashes
4fires
47injuries
When does it fail?
Of the 24 electrical complaints filed for the 2006 Toyota Camry, here's the actual mileage breakdown — failures cluster heaviest at 150,000+ 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
No new NHTSA electrical complaint has been filed on this vehicle in over 13 years — the issue may be aging out of the active population.
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.
TSB: REVISION NOTICE July 01, 2019 Rev2: ? Applicability has been updated to 2019 ? 2020 model year Toyota vehicles. ? The Techstream Preparation and Process Overview sections have been updated. October 30, 2017 Rev1: ? Applicability has been updated to include 2018 model year vehicles. Any previous printed versions of this bulletin should be discarded. SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0012-13. Service Bulletin No. T-SB-0012-13 is obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding. Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated
full bulletin at NHTSA ↗TSB: REVISION NOTICE November 22, 2017 Rev1: ? Applicability has been updated to include 2014 ? 2018 model year vehicles. Any previous printed versions of this bulletin should be discarded. In the event that a Toyota vehicle becomes submerged in water, many components may be physically damaged. Electrical and electronic components, including wiring harnesses, are particularly susceptible to corrosion and subsequent malfunction. Although any flooding can be damaging, salt water flooding elevates the potential for abnormal conditions and may increase risks due to its highly corrosive and conductive nature. Salt residue also continues to corrode and remain conductive even after a vehicle dries.
full bulletin at NHTSA ↗TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0101-11. Applicability has been updated to include 2016 ? 2017 model year vehicles. Service Bulletin No. T-SB-0101-11 is Obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding. When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many lubricants, cleaners, and automotive chemicals contain silicone or other compounds that may contaminate electrical contacts, and therefore increase electrical resistance and decrease switch perfor
full bulletin at NHTSA ↗TSB: OBSOLETE NOTICE: September 14, 2016: This bulletin is now obsolete. Please see T-SB-0134-16.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners describe a broad range of electrical problems in 2006 Camrys. Battery drain issues appear in multiple reports: one owner had an alarm module causing premature battery death, then later found a parasitic draw in the instrument cluster odometer costing $1,100 to replace at 25,000 miles. Another owner discovered the positive battery cable heavily corroded with complete terminal disintegration, creating fire risk.
Power door locks are a recurring headache—one owner reports five separate failures on the same vehicle, with doors refusing to unlock; others report passenger-side locks that won't respond to remote or manual buttons. The power window master switch melting down at 173,000 miles is a serious concern, creating smoke and causing windows to open on their own.
Multiple owners report airbag warning lights either intermittent or permanent, with one requiring a $3,450 floor wiring and seat replacement. One owner describes a catastrophic electrical event where multiple warning lights (ABS, check engine, brake, stability control) illuminated simultaneously, the dashboard went haywire, speedometer read zero, and brakes applied by themselves—all while driving.
Less common but notable: horn malfunction in cold weather, engine stalls with complete electrical shutdown under 1,500 miles, unintended acceleration, odometer reading 10% high, and a driver seat copper wiring fire. One complaint references a broader "ghost in the ECU" problem others mention experiencing.
Same Toyota Camry electrical reports on nearby years: 2005 · 2007 · 2008 · 2009
Failure modes owners describe
Horn malfunction in cold temperatures
Horn produces improper tone and volume, typically when ambient temperature falls below 50°F. Works normally after first use until next cold morning. Owner recorded evidence but dealer refuses to repair without replication.
When: Below 50°F ambient temperature; recurring on cold mornings
Symptoms owners cite: Horn sticks and produces abnormal tone; Horn sounds at reduced volume; Issue clears after initial use in morning
Repairs/costs cited: Dealer refused to perform warranty work without ability to replicate issue in shop
Battery drain from instrument cluster/odometer
Battery dies prematurely due to parasitic draw. First occurrence traced to alarm system; second occurrence traced to instrument cluster odometer. Repair cost approximately $1,100 for odometer replacement at 25,000 miles.
When: First at unspecified mileage (2008); second at 25,000 miles (2010)
Symptoms owners cite: Battery dies after normal vehicle use; Parasitic electrical draw detected
Repairs/costs cited: First: alarm module disconnected by local garage. Second: instrument cluster/odometer replaced at dealer ($1,100); required 2-3 days diagnostic work and parts ordering
Recalls/TSBs owners mention: 2006 model year not recalled despite recalls issued for 2005, 2007-2010 model years
Corroded positive battery cable and terminal
Positive battery cable corroded extensively with disintegration of terminal connection. Large corrosion mound visible when hood opened. Owner temporarily repaired with $3 aftermarket part; dealer quoted $3,100 for main wiring harness replacement.
When: Unspecified mileage; vehicle regularly serviced every 5,000 miles
Symptoms owners cite: Visible corrosion mound on positive battery cable; Complete disintegration of battery terminal connection; Risk of fire due to electrical short
Repairs/costs cited: Temporary field repair with $3 part; dealer estimate $3,100 for main wiring harness replacement
Recalls/TSBs owners mention: Dealer claims no prior experience with this issue despite regular maintenance visits
Power door lock failure
Power door locks fail to operate. Complaint reports five separate failures on same vehicle. Safety concern due to inability to unlock doors in emergency situations.
When: Multiple failures over vehicle ownership; specific mileage not stated
Symptoms owners cite: Door locks fail to unlock/open; Only driver side lock functions intermittently; Problem develops gradually over several months before complete failure
Recalls/TSBs owners mention: Dealership and independent mechanic confirmed failure
Power window master switch melting
Power window master control switch on driver side door melts down into door panel. Front passenger side window opened independently. Smoke observed during operation at 30 mph.
When: At 173,000 miles
Symptoms owners cite: Window control switch melts into door; Smoke visible from melting switch; Passenger window opens without driver input
Repairs/costs cited: Independent mechanic diagnosed need for power window master switch assembly replacement; vehicle not repaired
Recalls/TSBs owners mention: Manufacturer notified of failure; no recall issued
Accelerator pedal sensor out of range
Intermittent loss of acceleration at random moments, most often after idling at traffic light. Tech diagnostics show accelerator pedal values out of range despite normal throttle body test results. No diagnostic trouble codes set.
When: Recurring over years; becoming more frequent
Symptoms owners cite: Vehicle will not accelerate after idling at traffic light; Loss of acceleration at random moments; Throttle body tests normal; accelerator values out of range
Repairs/costs cited: Throttle body cleaned twice; problem persists and worsens
Engine stays running after key removal
Engine continues running after key is removed from ignition switch. Key found to be very loose in ignition switch. Problem recurred on multiple occasions.
When: At 68,000 miles
Symptoms owners cite: Engine remains on after key removed from ignition; Key is very loose in ignition switch
Recalls/TSBs owners mention: Manufacturer not notified; vehicle not diagnosed or repaired
Airbag warning light and floor wiring short
Driver airbag warning light illuminates intermittently after starting vehicle, may extinguish on subsequent restart. Diagnostic testing revealed short circuit in floor wiring requiring seat and wiring replacement.
When: Intermittent; specific mileage not stated
Symptoms owners cite: Driver airbag warning light stays on after starting; Light may disappear on subsequent restarts; Short circuit in floor wiring detected
Repairs/costs cited: Floor wiring and driver seat replacement required; total cost $3,450
Instrument cluster and electrical malfunction cascade
Multiple warning lights illuminate simultaneously (ABS, check engine, brake, stability control, slip indicator, master warning) along with instrument cluster brightness changes and erratic gauge readings. Speedometer reads zero and brakes apply automatically.
When: Specific mileage not stated
Symptoms owners cite: Multiple warning lights illuminate at once; Instrument cluster brightness fluctuates; Gauges operate erratically; Speedometer reads zero; Brake system activates by itself; Vehicle immobilized on roadside
Hybrid battery failure with warning light cascade
On 2006 Camry Hybrid, multiple warning lights illuminated while vehicle was parked: check engine, check hybrid, stability control, slip indicator, brake, anti-brake system, and master warning lights. Dealer diagnosed hybrid battery failure.
When: At 97,000 miles
Symptoms owners cite: Check engine light illuminated; Check hybrid light illuminated; Stability control light illuminated; Slip indicator light illuminated; Brake light illuminated; Anti-brake system light illuminated; Master warning light illuminated; Failures occur constantly
Repairs/costs cited: Vehicle not repaired
Recalls/TSBs owners mention: Manufacturer notified of hybrid battery failure
Engine stall and complete electrical shutdown
Engine stalls completely and all dashboard indications cease while driving at highway speed. Engine restarts normally when key turned. Occurred on three separate occasions on vehicle with less than 1,500 miles on odometer.
When: At less than 1,500 miles; occurred on three separate occasions
Symptoms owners cite: Engine quits abruptly; All dashboard indicators turn off; Engine restarts when key turned
Unintended acceleration
Vehicle gradually accelerated from 10 mph to 40 mph on its own in clear, sunny conditions. Dealer acknowledged awareness of failure but unable to determine cause.
When: At 4,000 miles; current mileage 15,000
Symptoms owners cite: Vehicle accelerates without driver input; Gradual acceleration from 10 mph to 40 mph
Recalls/TSBs owners mention: Dealer aware of issue but unable to determine root cause
Odometer and speedometer overreading
Odometer reads approximately 10% higher than actual speed verified by two GPS units and highway radar signs. Dealer falsely claims instruments are accurate. Results in false high mileage readings that devalue vehicle.
When: Unspecified mileage
Symptoms owners cite: Odometer displays 10% higher than actual distance; Speedometer overreads actual speed
Recalls/TSBs owners mention: Dealer denies any inaccuracy
Stereo spontaneous activation
Stereo turns on by itself on at least two separate occasions. Owner typically keeps radio off when not in use.
When: Unspecified mileage
Symptoms owners cite: Stereo activates without user input; Occurs multiple times
Airbag warning light illumination
Air bag warning indicator illuminates. Generic complaint without specifics on when or under what conditions.
When: At 165,000 miles
Symptoms owners cite: Airbag warning light illuminated
Recalls/TSBs owners mention: Manufacturer not notified; vehicle not diagnosed or repaired
Driver seat wiring fire
Copper wiring on driver seat caught fire, causing damage to driver door harness and electrical seat mechanism. Interior fabric stained from fire damage.
When: Unspecified mileage
Symptoms owners cite: Fire originating from copper wiring under seat; Damage to driver door harness; Damage to electric seat mechanism; Interior staining from fire
Driver window switch burnout
Driver side window switch burns out, causing window motor to fail. Toyota issued recall for 7.5 million vehicles for this issue, but owner's vehicle excluded from recall.
When: Unspecified mileage
Symptoms owners cite: Window switch burns out; Window motor fails
Recalls/TSBs owners mention: Toyota recall issued for 7.5 million vehicles but owner's vehicle not included despite identical problem
Passenger door lock failure
Passenger side front and rear door locks fail to operate via remote or manual door lock button.
When: Unspecified mileage
Symptoms owners cite: Passenger front door lock non-functional; Passenger rear door lock non-functional; Remote lock inoperative; Manual lock button inoperative
Airbag light in damp weather
Airbag warning light illuminates and remains on while driving at highway speeds in damp, rainy, cool weather conditions.
When: Specific mileage not stated
Symptoms owners cite: Airbag warning light illuminates; Light remains on continuously
Synthesized from 24 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
Drivers window switch burnt out causing window motor to fail. Toyota is recalling 7.5 million cars for this, but says that mine is not one of them. *tr
Had electrical trouble with your 2006 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 2006 Toyota Camry?
It's a meaningful issue. 24 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 13 complaints that reported odometer mileage, most electrical failures cluster between 39,913 and 165,000 miles, with the median around 97,000. A quarter of owners report trouble before 39,913; a quarter make it past 165,000. 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/2006/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.