Register a transponder

Transponders are registered to a VIN and can be moved to a new vehicle by sending a request in writing by fax or email. Updates made in Washington are automatically forwarded to Idaho, South Dakota, New York and Connecticut.

To make changes to a registered transponder, contact us via fax or email.

Register, update or transfer a transponder

Include the following in a fax or email to register, update or transfer a transponder:

• A copy or picture of the commercial vehicle’s registration/cab card
• The USDOT Number
• The transponder number or a picture of the transponder with the barcode numbers
  (For multiple updates at once, write the transponder number on the registration/cab card or include a list with the plate and VIN they go with)

Remove a transponder

To delete a transponder, include the following in a fax or email:

• The transponder number or license plate and state
• Request for it to be canceled/deleted