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Honda Odyssey Recall 19V299: Loose Battery Can Cause Unexpected Transmission Shift to Park

NHTSA campaign 19V299, reported April 12, 2019, 50,504 vehicles potentially affected.

What this recall means for you

Loose battery terminal connections or a degraded battery may cause the transmission control unit to reboot unexpectedly. When it reboots, it may shift the transmission into Park, which can damage the parking rod. A damaged parking rod can allow the vehicle to roll when parked, raising the risk of a crash or injury.

The repair is free. An authorized Honda dealer will make sure the battery terminal connections are secure, update the transmission control unit software, and check the effectiveness of the parking rod. Honda will also notify owners directly.

Owners can contact Honda customer service at 1-888-234-2138 for more information. You can also check your vehicle's VIN for open recalls and schedule the free repair at an authorized dealer.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 19V299Honda (American Honda Motor Co.)
Component
ELECTRICAL SYSTEM:12V/24V/48V BATTERY; POWER TRAIN:AUTOMATIC TRANSMISSION
Problem
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.
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.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Affected vehicles

Honda Odyssey20182019