AutoTuner programming interface. Image: AutoTuner; used with permission confirmed by the contributor.
AutoTuner is an ECU and TCU programming tool supporting OBD, bench and boot methods for listed controllers. The manufacturer offers Master and Slave configurations; the Master handles unencrypted calibration files while the Slave works with a linked Master.
Its product information lists checksum correction, data logging and fault-code functions on supported applications. Verify the exact vehicle and control unit in its current coverage list, including whether a preliminary unlock or accessory is needed. The manufacturer advertises updates without a subscription; check current local terms.
Sources and photographs
AutoTuner: illustrated product page; AutoTuner: connection methods; AutoTuner: read/write and calibration software.