Using New Replacement Transmissions (TID 3) Copyright © 2001 General Motors Corp. 1–17 GENERAL DESCRIPTION WTEC III ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL Transmission Configuration ECU, Shifter, Vehicle harness configuration: If this model/configuration transmission is replaced by a new TransID 3 transmission (with Dynax clutch plates), one of the following modifications are necessary to make it compatible with vehicles of this configuration: TID level of origi- nal trans in vehicle Key Characteristics Model WTEC 2; CIN 07… and 08… WTEC 3; V8/V8A; CIN 0B… WTEC 3; V9/V9A; CIN 0D…
(this level ECU and software might be found installed in cases where the WTEC 3, V8/ V8A ECU was replaced) pre-TID Former MD retarder Former temp sensors (pre-1998 retarder) (post-block) MD/B300 TID1 internal harness + Dynax cal Configuration not released Configuration not released MDR/B300R TID1 internal harness + Dynax cal + New Rtdr cal + adapter harness (w/old temp sensor) Configuration not released Configuration not released MD3066/B400 TID1 internal harness + Dynax cal Configuration not released Configuration not released MD3066/B400R TID1 internal harness + Dynax cal + New Rtdr cal + adapter harness (w/old temp sensor) Configuration not released Configuration not released MD7 TID1 internal harness + Dynax cal Configuration not released Configuration not released HD/B500 TID1 internal harness + Dynax cal Configuration not released Configuration not released HDR/B500R TID1 internal harness + Dynax cal + old rtdr temp sensor Configuration not released Configuration not released TID1 Former MD retarder Former temp sensors (pre-1998 retarder) MD/B300 TID1 internal harness + Dynax cal Update calibration No changes needed MDR/B300R TID1 internal harness + Dynax cal + New Rtdr cal + adapter harness (w/old temp sensor) Update calibration + adapter harness (w/o temp sensor) Use adapter harness (w/o temp sensor) MD3066/B400 TID1 internal harness Update calibration No changes needed MD3066/B400R TID1 internal harness + New Rtdr cal + adapter harness (w/old temp sensor) Update calibration + adapter harness (w/o temp sensor) Use adapter harness (w/o temp sensor) MD7 TID1 internal harness + Dynax cal Update calibration No changes needed HD/B500 TID1 internal harness + Dynax cal Update calibration No changes needed HDR/B500R TID1 internal harness + Dynax cal + old rtdr temp sensor Update calibration+ new rtdr temp sensor connector new rtdr temp sensor connector TID2 Current MD retarder Current temperature sensors MD/B300 Configuration not released Update calibration if installed prior to 10/24/99 No changes needed MDR/B300R Configuration not released Update calibration if installed prior to 10/24/99 No changes needed MD3066/B400/3000MH Configuration not released Update calibration if installed prior to 10/24/99 No changes needed MD3066R/B400R/ 3000MHR Configuration not released Update calibration if installed prior to 10/24/99 No changes needed MD7 Configuration not released Update calibration if installed prior to 10/24/99 No changes needed HD/B500/4000MH Configuration not released Update calibration if installed prior to 10/24/99 No changes needed HDR/B500R/4000MHR Configuration not released Update calibration if installed prior to 10/24/99 No changes needed HD7 Configuration not released Update calibration if installed prior to 10/24/99 No changes needed HD7R Configuration not released Update calibration if installed prior to 10/24/99 No changes needed TID3 Current MD retarder Dynax MD/B300 Configuration not released Update calibration if installed prior to 10/24/99 No changes needed MDR/B300R Configuration not released Update calibration if installed prior to 10/24/99 No changes needed MD3066/B400/3000MH Configuration not released Update calibration if installed prior to 10/24/99 No changes needed MD3066R/B400R/ 3000MHR Configuration not released Update calibration if installed prior to 10/24/99 No changes needed MD7 Configuration not released Update calibration if installed prior to 10/24/99 No changes needed HD/B500/4000MH Configuration not released Update calibration if installed prior to 10/24/99 No changes needed HDR/B500R/4000MHR Configuration not released Update calibration if installed prior to 10/24/99 No changes needed HD7 Configuration not released Update calibration if installed prior to 10/24/99 No changes needed HD7R Configuration not released Update calibration if installed prior to 10/24/99 No changes needed