Delphi Cars -amp- Trucks 2021.10b Update 2022 — Firmware 3201 - Mhh __full__

| Issue | Symptom | Solution (MHH Forum Consensus) | | :--- | :--- | :--- | | | Interface resets when starting engine. | Install a USB isolator (ADUM3160 based). Firmware 3201 is sensitive to alternator noise. | | J2534 Failure | "Cannot load vci.dll" error in GM SPS. | Re-register the DLL: Run regsvr32 J2534_Delphi.dll from the Delphi folder as Admin. | | Firmware Rollback | Cannot downgrade from 3201 to 3000. | Use the "Recovery Mode" jumper on the DS150E board (bridge pins 1 & 2 of FTDI chip). | | Truck CAN Bus | No response on Mercedes heavy trucks. | In Delphi software, go to Settings -> Bus Parameters. Force J1939 @ 500kbps manually. |

We tested this build on a range of vehicles. Here are the results. | Issue | Symptom | Solution (MHH Forum