Section 12 (Computer Relearn Procedures): ISUZU: Trooper
WARNING: This page does not describe the selected car, but rather 126 other vehicles, including the 1999 Volvo V70, 1999 Volvo S80, 1999 Volvo S70, 1999 Volvo C70, and 1999 Volkswagen Passat. However, it is still accessible from the selected car via links, so may be relevant.
Ensure battery is fully charged. Download latest software from Techline. Turn ignition on. Connect vehicle interface module and program PCM. If PCM does not program, check all PCM connections and retry. If PCM still cannot be reprogrammed, replace PCM.