For access to J-2534 Information on the Suzuki service information website:

  1. Click on "OBDII & Diagnostics".
  2. Click on "Suzuki ECU Programming System for instructions to download software.


Which models and model years are reprogrammable for which functions?
All modules and all model years in the table.
How does a technician determine whether a recalibration update is available for a specific vehicle?
See Technical Service Bulletins or Campaign Bulletins at
What OEM equipment is needed to reprogram vehicles?
OEM factory tool(s); to obtain, contact
What J-2534 reprogramming capabilities are available?
J-2534 programming capability is currently being investigated
How does a technician obtain the calibration?
Data needed is available to subscribers at
Please identify computer system requirements needed to support reprogramming.
High Speed ISP connection is required.  Download times with high speed connection will require 2-10 minutes normally.  Downloads using dial-up connections are not recommended due to large file sizes.
Internet Explorer is the recommended browser.