2023 Toyota SIENNA HYBRID

Problems, Recalls & Reliability Report

Average

Quick Summary

The 2023 Toyota SIENNA HYBRID has 74 owner complaints filed with NHTSA — that's 0.9x the segment average of 80. The most common issue is brakes problems (31% of all complaints), specifically: while driving slowly into a parking slot, the brakes released and the vehicle surged over a parking block and into a sign. on a couple of time previously, i have encountered similar situations but never when parking at slow speed..

11 crash reports 9 injuries

Total Complaints

Recalls Issued

—/5

Safety Stars

0.9x

vs Segment Avg

Known Problems

BRAKES

23 complaints

31%

• While driving slowly into a parking slot, the brakes released and the vehicle surged over a parking block and into a sign. On a couple of time previously, I have encountered similar situations but never when parking at slow speed.
• UNKNOWN. Randomly, while lightly braking, the vehicle will lunge forward. Does not always happen and unable to recreate it but has almost caused a few accidents. Van lunges forward for a second or so and then the brakes will re-catch or work again and the vehicle slows again. Scary. Have gone to to
• Approximately 4-5 times it has felt like the brakes have slipped or let go for a very brief moment. I have either been braking over bumps, or braking going downhill. It is a slipping feeling, like is felt when briefly sliding on a patch of ice, or hydroplaning. It occurs for only a second or two.

Typical onset: 50K miles Est. repair: $500💥 3 crashes

“While driving slowly into a parking slot, the brakes released and the vehicle surged over a parking block and into a sign. On a couple of time previously, I have encountered similar situations but never when parking at slow speed.”

— NHTSA complaint filing

OTHER

16 complaints

22%

• No system is failed in our sienna. Only safety problem we have is the rear view mirror completely block off when kid use the entertainment system. When I talk to the deanship, they told me they can't add any rear view camera due to the electrical harness problem. Not sure if anything can be done, pl
• We recently got a Sienna 2023, 25 anniversary, and added the multimedia package. Once received the car we notice that the usage of this rear entertainment blocked the vision through the rear view mirror becoming a major safety hazard.
• There is a problem with the lighting in the information dial. The handbook even says the gauges may be hard to read in daylight if any lights are on. The daylight driving lights are always on. This is even worst when headlights are on. Many states like Texas, New Mexico, Colorado, Utah, Nevada and C

Typical onset: 50K miles Est. repair: $500💥 3 crashes

“No system is failed in our sienna. Only safety problem we have is the rear view mirror completely block off when kid use the entertainment system. When I talk to the deanship, they told me they can't add any rear view camera due to the electrical harness problem. Not sure if anything can be done, pl”

— NHTSA complaint filing

ELECTRICAL

8 complaints

11%

• On July 7, 2023 I paid in full and was given possession of the 7 passenger seating Toyota van. The car has automatic door locking mechanism as part of the electrical system and can be locked from inside the car. The van is used to transport 2 children in car seats who can touch car components. We
• Our family bought a 2023 new Toyota Sienna [VIN [XXX] ] on July 7, 2023 paying the full price plus premium dealer markup from Elmore Toyota in Westminster, Orange County, California on January 7, 2023 and only received one keyfob for the 7 seater van. I was told that I would get a second keyfob wit
• Passenger side sliding door randomly opens even when car is in the locked mode and when parked. It has happened 4 times. Toyota blames my chair lift and the mobility works blames Toyota. Service has not been able to recreate the problem since it is intermittent and has documented the complaint. H

Typical onset: 50K miles Est. repair: $500💥 1 crashes

“On July 7, 2023 I paid in full and was given possession of the 7 passenger seating Toyota van. The car has automatic door locking mechanism as part of the electrical system and can be locked from inside the car. The van is used to transport 2 children in car seats who can touch car components. We ”

— NHTSA complaint filing

VISIBILITY

7 complaints

• Driving along a rural road under 40 mph at 11:30 at night with no other traffic present. There was a slight transition in pavement from a possible small culvert replacement. The defrost was on high and it was 22 degrees outside. The windshield cracked just above the defrost vent.
• The entertainment screen is completely blocking the rear view when in use which is very dangerous when backing out. Also, I can’t see ambulances, fire trucks, police, etc. are coming behind me to pull over. This is a very serious safety issues for driver. Toyota said that I need to close the screen
• 2 month after buying the car, in Jan i turned the car on and the windshield wipers didn't work. It was a snowy day and the salt and snow made it dangerous to drive. Before i had a chance to bring it to the dealer, after about 2 hours, the wipers started working. This happened again in April, i was

Typical onset: 50K miles Est. repair: $500

“Driving along a rural road under 40 mph at 11:30 at night with no other traffic present. There was a slight transition in pavement from a possible small culvert replacement. The defrost was on high and it was 22 degrees outside. The windshield cracked just above the defrost vent.”

— NHTSA complaint filing

TRANSMISSION

4 complaints

• We had a "hybrid system malfunction" warning on the dashboard and the van slowed down to 20 mph on a climb. With the flow of traffic at 50mph on a two lane road and no shoulder to pull off, this cause a serious risk to us and other drivers. Stopping and starting the car several times did not cause
• See attached document for complaint.
• The contact owns a 2023 Toyota Sienna Hybrid. The contact stated while driving and depressing the brake pedal to come to a stop, the vehicle jolted. The vehicle was taken to the dealer, where the contact was informed that the vehicle was operating as designed. Additionally, the contact stated that u

Typical onset: 50K miles Est. repair: $500

“We had a "hybrid system malfunction" warning on the dashboard and the van slowed down to 20 mph on a climb. With the flow of traffic at 50mph on a two lane road and no shoulder to pull off, this cause a serious risk to us and other drivers. Stopping and starting the car several times did not cause”

— NHTSA complaint filing

Estimated Repair Costs

BRAKES(~50K mi)

$500

OTHER(~50K mi)

$500

ELECTRICAL(~50K mi)

$500

VISIBILITY(~50K mi)

$500

TRANSMISSION(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 74 owner complaints for this specific year, here's what to check or ask about:

☐
BRAKES: While driving slowly into a parking slot, the brakes released and the vehicle surged over a parking block and into a sign. On a couple of time previously, I have encountered similar situations but never when parking at slow speed.
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: No system is failed in our sienna. Only safety problem we have is the rear view mirror completely block off when kid use the entertainment system. When I talk to the deanship, they told me they can't add any rear view camera due to the electrical harness problem. Not sure if anything can be done, pl
Typically appears around 50K miles. Repair cost ~$500
☐
ELECTRICAL: On July 7, 2023 I paid in full and was given possession of the 7 passenger seating Toyota van. The car has automatic door locking mechanism as part of the electrical system and can be locked from inside the car. The van is used to transport 2 children in car seats who can touch car components. We
Typically appears around 50K miles. Repair cost ~$500
☐
VISIBILITY: Driving along a rural road under 40 mph at 11:30 at night with no other traffic present. There was a slight transition in pavement from a possible small culvert replacement. The defrost was on high and it was 22 degrees outside. The windshield cracked just above the defrost vent.
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)