LMM wont crank

timbo__7

New member
Jun 18, 2011
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I installed a DSP5 switch and after getting done i go to start the truck and it started and everything seemed to be fine so I shut it off and start to button everything back up and after i got done with that i go to take a spin to make sure everything is working fine and go to start and it wont crank and my theft deterrent system light displays, so then i try to reflash my ecm and put my tunes on thinking this will disable the security but everytime i get to where the ecm is trying to delete the ecm flash memory the doors unlock and my abs and brake light come on (which might be normal i cant remember) and it wont finish flashing this is as far as it goes

14:14:18.368: Scanning for EFILive FlashScan V2 USB
14:14:18.381: Autodetect interface ...
14:14:20.184: Interface not detected
14:14:20.820: Scanning for EFILive FlashScan V2 HAPI
14:14:20.833: Autodetect interface ...
14:14:21.113: Interface firmware version: 2.7.12
14:14:21.117: Connection to [FSV2] interface is OK
14:14:21.338: USB driver version: 4.0.0
14:14:21.342: USB library version: 3.1.18
14:14:21.365: Interface firmware model: FSV2
14:14:21.411: Interface firmware model: FSV2
14:14:21.433: Interface firmware version: 2.7.12
14:14:21.459: Interface firmware date: Jun 06, 2011
14:14:21.484: FlashScan serial number: 003700734614
14:14:21.506: FlashScan license number: 003700734614
14:14:21.534: Disconnecting ...
14:14:22.096: CAN-VPW Bridge Deactivated
14:14:22.101: Disconnected
14:14:22.734: Scanning for EFILive FlashScan V2 USB
14:14:22.749: Autodetect interface ...
14:14:24.555: Interface not detected
14:14:25.191: Scanning for EFILive FlashScan V2 HAPI
14:14:25.206: Autodetect interface ...
14:14:25.492: Interface firmware version: 2.7.12
14:14:25.497: Connection to [FSV2] interface is OK
14:14:25.520: CAN-VPW Bridge Activated
14:14:25.595: Current protocol set to: "ISO 15765 CAN"
14:14:25.599: Autodetect ECM...
14:14:25.627: Connection to ECM is OK
14:14:25.653: Current protocol: "ISO 15765 CAN"
14:14:25.879: USB driver version: 4.0.0
14:14:25.883: USB library version: 3.1.18
14:14:25.907: Interface firmware model: FSV2
14:14:25.931: Interface firmware model: FSV2
14:14:25.958: Interface firmware version: 2.7.12
14:14:25.982: Interface firmware date: Jun 06, 2011
14:14:26.006: FlashScan serial number: 003700734614
14:14:26.030: FlashScan license number: 003700734614
14:14:26.298: Getting status...
14:14:26.534: Status: OK.
14:14:27.465: Preparing ECM for reflash...
14:14:27.492: ECM seed is: $E7CE
14:14:27.496: Unlock attempt 1 of 1
14:14:27.623: Initializing ECM...
14:14:29.080: Request serial number...
14:14:29.923: Serial number: 864724103330
14:14:32.353: Reflashing ECM's memory...
14:14:37.887: Erasing ECM flash memory... (please wait up to 2 minutes)
14:14:40.922: Waiting 1 of a possible 120...
14:14:41.926: Waiting 2 of a possible 120...
14:14:42.930: Waiting 3 of a possible 120...

...

14:16:39.427: Waiting 119 of a possible 120...
14:16:40.431: Waiting 120 of a possible 120...
14:17:03.748: ECM flash memory erased OK
14:17:15.979: Retrying previous block...
14:17:16.981: Erasing ECM flash memory... (please wait up to 2 minutes)
14:17:20.019: Waiting 1 of a possible 120...
14:17:21.023: Waiting 2 of a possible 120...
14:17:22.027: Waiting 3 of a possible 120...

and so on and so on

any thoughts would be great on how to fix this or does it sound like I need a new ecm i have no clue at this point I checked all fuses and they are good and software and firmware are up to date thanks​