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- Wed Sep 04, 2024 1:42 pm
- Forum: General Motors
- Topic: 1227165 Ecu will not connect
- Replies: 0
- Views: 15017
1227165 Ecu will not connect
This software is completely new to me. Help is requested, Thank you. Have the TunerPro rt with OBD Diagnostics cable GM OBD 1, have tried all four positions on the ALDL cable with the jumper. Bottom of the window shows AD connecting, then changes back to Not Connected. have done a cable test through...