Question: Will Foxflah unlock and read an L5P GM ECM? Does Foxflash have the unlocking service as hptuner*?*HP Tuners offers a TCM/ECM/PCM unlocking service for tuning support in the latest version of the VCM Suite.
Yes, foxflash has the activation service as an hptuner.
If you need to unlock an ECU and then tune it with HP Tuner, you can contact foxflash engineer to get unlock file, then do the following and then tune with HP Tuner.
Procedure:
1. Read all with Foxflash software in boot mode, make a full backup.
2. Upload backup file to us.
3. Fox engineer will send you back the unlocked file.
4. Write back the file into PCM/ECM/TCM
5. Try using hptuner’s vcm readout the pcm file then tune it.
6. Use dealer tool to code the VIN and IMMO system
7. Car starts, enjoy.
NOTE: Not all Chrysler/GM ECM/PCM/TCM can be unlocked. Always check the Foxflash vehicle list before you start.