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Honda Odyssey Transmission Computer May Shift Into Park Unexpectedly

NHTSA campaign 19V299000 · Reported Apr 12, 2019 · Honda (American Honda Motor Co.)

medium How serious is it? About this label

A damaged parking rod can let the vehicle roll after it's parked, which increases the risk of a crash or injury. The notice does not tell owners to stop driving.

Key facts

NHTSA campaign number	19V299000
Reported to NHTSA	Apr 12, 2019
Manufacturer	Honda (American Honda Motor Co.)
Part affected	Power Train:automatic Transmission
Vehicles covered	2 model/year combinations, model years 2018–2019
Do-not-drive advisory	No
Park-outside advisory	No
Repair	Free at any franchised dealer

What's wrong, in plain English

On certain Honda Odyssey vehicles, a loose battery connection or a weak battery can cause the transmission's control computer to unexpectedly restart. When this happens, the computer may shift the transmission into Park on its own, and doing so can damage the parking rod. If the parking rod is damaged, the vehicle may not stay in place after being parked and could roll, increasing the risk of a crash or injury.

What you should do

1. Check your VIN at nhtsa.gov/recalls.
2. Contact a Honda dealer; you can also call Honda customer service at 1-888-234-2138.
3. The repair is free.

Where do I find my VIN, and what do I tell the dealer?

Your VIN is the 17-character code on the lower left of the windshield, on your registration and usually on your insurance card. Enter it at nhtsa.gov/recalls to see whether this recall is still open on your car. When you call the dealer, say you have an open safety recall and give them NHTSA campaign number 19V299000. More in how recalls work.

Affected vehicles (2)

2018 Honda Odyssey
2019 Honda Odyssey

Who to contact

Honda — official Honda recall lookup

Customer service: 1-888-234-2138

Any franchised dealer for the brand can do the repair. Phone numbers are taken from manufacturer sites and recent NHTSA notices; if one has changed, the number in your own recall letter is the one to use.

The bigger picture

Honda Power Train Recalls Cover Gearshift Failures and Lost Drive Power · all 6 Honda recalls in this area

Other Honda Odyssey recalls

Jul 1, 2026Honda Odyssey rearview camera may fail from water entrymedium
May 21, 2026Honda and Acura front passenger airbags may deploy unintentionallyhigh
Apr 9, 2026Honda Odyssey Side Air Bags May Deploy Unexpectedlyhigh
Dec 17, 2025Honda, Chrysler and Toyota Vans Wheelchair Restraint Issuemedium
Feb 15, 2024Acura RDX and Odyssey Steering Corrosion Riskhigh
Feb 1, 2024Honda and Acura passenger seat sensor may crackhigh

All 27 Odyssey recalls

Official notice

Component: POWER TRAIN:AUTOMATIC TRANSMISSION
Summary: Honda (American Honda Motor Co.) is recalling certain 2018-2019 Odyssey vehicles. Loose battery terminal connections or a degraded battery may cause the Transmission Control Unit (TCU) to unexpectedly reboot. Upon rebooting, the TCU may shift the transmission to the "Park" position, possibly damaging the parking rod.
Safety risk: A damaged parking rod can allow the vehicle to roll when parked, increasing the risk of a crash or injury.
Remedy: Honda will notify owners, and dealers will ensure the battery terminal connections are secure and will update the TCU software, free of charge. Additionally, the parking rod effectiveness will be checked. The recall began May 31, 2019. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are Z4J, Y4K.

Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.