As I started driving the car my vsc off vsc trac and brake light when on when I tried to brake it made a terrible sound as I continued to press on the brake it made a hssssssing sound like air was coming out I got home and googled the problem I guess im not the only one Toyota is aware of problem but will not fix 2003 was fix but the rest aren't I did call Toyota and filed a complaint and the…
2005 Toyota Sequoia electrical problems
moderate 27 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Failure mileage
Complaints
27
Recalls
0
Avg fix
$850
When does it fail?
Of the 27 electrical complaints filed for the 2005 Toyota Sequoia, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 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 7 model years of Toyota Sequoia we track for electrical problems, this one carries the most owner complaints on file — 27.
Owners have filed 27 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.
The failure pattern owners describe
Buyer takeaway: A used 2005 Sequoia presents serious electrical and safety issues: VSC/TRAC control systems frequently fail with loss of power during turns, affecting braking ability; rear hatch wiring shorts out repeatedly, killing defroster and wiper function; and owners report dealers cannot reliably fix these problems or identify root causes. Get a pre-purchase inspection focused on all warning light systems and rear hatch operation, and expect potential repair bills exceeding $2,000 for control module replacement.
The 2005 Sequoia has a documented pattern of VSC TRAC control system failure that leaves owners stranded. The warning light cluster (VSC TRAC, VSC OFF, brake, and ABS lights) illuminates and either stays on or cycles unpredictably. More critically, the vehicle loses all acceleration response during turns or normal driving—the engine keeps running but won't move. Owners describe hearing a grinding noise as the truck pulls hard to one side. The failure happens at highway speeds and low speeds alike. Dealers attribute this to a failed skid control ECU and quote $1,000–$2,200 to replace it, but owners report the lights and power loss returning within days of the repair. A 2003 Sequoia was recalled for a similar problem; the 2005 was not.
Separately, the rear hatch suffers from a wiring short that kills the defroster, wiper, power window, and hatch lock repeatedly. Owners have had the same failure repaired multiple times under warranty, only to watch it reoccur within months. One owner documented water leaking into the cabin and mold forming as a result of inadequate hatch sealing.
The air pump secondary injection system also fails, with the pump deteriorating and sending fragments into the engine. This triggers limp mode and costs $1,700 to repair.
Cold-weather operation activates brake and VSC lights below 40°F, even on vehicles that seem fine otherwise. Finally, dealers consistently tell owners they "cannot duplicate" the problem and demand diagnostic fees to investigate further, leaving many unwilling to return for help.
Same Toyota Sequoia electrical reports on nearby years: 2006 · 2007
Failure modes owners describe
VSC/TRAC Control and ABS Warning Lights — Skid Control ECU Failure
Warning indicator cluster (VSC TRAC, VSC OFF, ABS, brake warning lights, check engine light) illuminates and remains on or cycles intermittently. Vehicle may lose power and acceleration during turns or normal driving. Some owners report grinding or rattling noise at the front end. Dealer diagnosis points to failed skid control ECU (electronic control unit). Multiple owners report replacing the ECU; some report the lights return within days after repair.
When: Failure mileage ranges from 45,000 to 106,000 miles. Symptoms often appear months or years into ownership. One owner experienced failure 48 months after purchase.
Symptoms owners cite: VSC TRAC, VSC OFF, ABS lights illuminated and remaining on or cycling on and off; Check engine light on; Sudden loss of engine power and acceleration response failure; Vehicle stalls or becomes unresponsive when turning; Grinding or rattling noise from front end; Vehicle unresponsive to gas pedal for several seconds before re-engaging; Lights may reset when engine is turned off and back on, then return
Codes mentioned: C1247 (stroke sensor / wheel speed sensor), C136 (master pressure sensor), ABS system codes
Repairs/costs cited: Skid control ECU replacement cost: $1013.56 to $2206. Some owners also report master cylinder pressure sensor replacement ($477.86 to $715.85). One owner reported air pump and ECU replacement totaling over $3000. Repeated failures documented — owner in narrative #6 had lights return 3 days after ECU replacement; owner in #15 experienced symptoms on the drive home after initial ECU repair.
Recalls/TSBs owners mention: Service bulletins issued for the problem (per narratives #2, #6). 2003 Sequoia models were recalled for similar issue, but 2005 models were not. Toyota corporate offered approximately 20% cost assistance in one case. Dealer personnel reported 'could not duplicate' in some cases. Toyota told one owner they were unaware of any recall and had no record of the problem.
Rear Hatch Electrical Short — Rear Defrost, Wiper, Window, and Door Lock Failure
Electrical short in rear hatch wiring harness causes intermittent or permanent failure of rear window defroster, rear wiper, power rear window, and rear hatch operation. Multiple owners report the problem recurs after repair. One owner notes inadequate 360-degree sealing of rear hatch allows water ingress, dust, and mold formation. Distinct pattern of failure and re-failure.
When: Initial failure reported at approximately 5,000 miles in one case. Recurring failures documented at 4–5 month intervals, then 6–7 months later. Another owner experienced failure 48 months after purchase.
Symptoms owners cite: Rear window defroster stops working; Rear wiper stops working; Power rear window will not open or close; Rear hatch will not open; Water leaks into cabin under rear hatch; Mold formation inside vehicle; Dust entry while driving on dirt roads
Repairs/costs cited: Initial repairs performed by dealer under warranty. When failure recurred after warranty expiration, estimated repair cost was $800. Dealer suggested pressing a button and forcibly closing the rear hatch as a repair option, which was not effective. Problem involves electrical short traced to rear hatch wiring.
Recalls/TSBs owners mention: None documented beyond dealer repair attempts. No recall or service bulletin mentioned by owners for this specific failure.
Air Pump Failure — Pump Deterioration and Induction System Damage
Secondary air injection pump deteriorates and fragments, with broken pieces entering the engine induction system. Owners report this as a known issue with the 2003–2005 model years but state it was not recalled. Failure triggers check engine and VSC TRAC lights and causes poor acceleration ('limp mode').
When: Timing not specified by owners, but described as a known issue affecting multiple model years without recall action.
Symptoms owners cite: Check engine light and VSC TRAC lights illuminated; Engine does not sound right while idling; Vehicle not accelerating correctly; limp mode; Air pump breaks apart internally, pieces enter induction system
Repairs/costs cited: One owner reported air pump set replacement cost at $1,700. Another owner reported dealer diagnosis of both ECU and air pump replacement totaling over $3,000. Described as a 'very expensive repair'.
Recalls/TSBs owners mention: No recall issued for 2003–2005 models despite multiple owners reporting the problem as known. Service bulletins may exist but were not specifically referenced by owners for this failure mode.
Cold-Weather Warning Light Activation
Multiple warning lights (brake light, VSC light, low tire pressure light, ABS light) illuminate when ambient temperature drops below approximately 40°F. Lights turn off when temperature rises above that threshold. Suggests temperature-dependent sensor or connection fault.
When: Documented in cold weather conditions (21°F noted in narrative). Pattern cyclical with temperature changes.
Symptoms owners cite: Brake, VSC, ABS, and low tire pressure warning lights come on in cold weather; Lights turn off when vehicle warms or ambient temperature rises above ~40°F; Lights return when temperature drops again
Repairs/costs cited: One owner replaced brakes and fixed parking brake at a cost of $900, but lights returned when temperature dropped again, indicating repair did not address root cause.
Recalls/TSBs owners mention: None documented.
Alternator Failure with ABS Indicator Persistence
Alternator fails to charge battery. Owner replaces alternator and reprograms computer, but ABS indicator light remains illuminated after repair, suggesting unresolved electrical or control module issue.
When: Failure mileage unknown.
Symptoms owners cite: Battery does not charge; ABS indicator light remains illuminated
Repairs/costs cited: Alternator replaced and computer system reprogrammed, but ABS light persisted after repair.
Recalls/TSBs owners mention: Manufacturer was not notified of this failure.
Synthesized from 27 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 2 most recent
Our 2005 Toyota sequoia limited has had several problems since the day we brought it home. However, we recently had an electrical failure and it was the second such event. My wife, mother-in-law and our 2 small children(ages 3 and 1) were in the car and while moving the car just stopped. It would not accelerate, pushing the gas pedal did nothing, the check engine light was on along with the vsc…
Had electrical trouble with your 2005 Toyota Sequoia?
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 2005 Toyota Sequoia?
It's a documented issue but not catastrophic. 27 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 62,000 and 119,966 miles, with the median around 91,800. A quarter of owners report trouble before 62,000; a quarter make it past 119,966. 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/2005/Toyota/Sequoia.
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.