Hello,
You do not specify in which system the voltage fault codes were stored.
When the "D" light is blinking on a Honda Odyssey, it typically indicates a problem with the transmission. The blinking "D" light is a warning sign that the transmission control system has detected an issue and is alerting you to have it inspected or serviced. Driving the vehicle with a blinking "D" light can potentially cause further damage to the transmission.
I would suggest carrying out a CAN scan using a suitable diagnostic tool.
Once you have done this, please post the fault codes on our site for further evaluation.
How to:
https://www.2carpros.com/articles/can-scan-controller-area-network-easy
An example video using a code reader:
https://youtu.be/1YixXAb4eDE?si=fTDjEcm6nSyYkgDI
Cheers, Boris
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Monday, February 5th, 2024 AT 1:29 AM