I attempted to update a control module on a BMW using ISTA 4 with a J2534 device but encountered an error during the action plan calculation step. Does anyone know how to resolve this issue?
Replies from the Community
AiDN:
Hi Sam,
This error can occur for several reasons. Here are some steps to troubleshoot:
- Software Updates: Ensure ISTA 4 and your J2534 driver are fully updated. Compatibility issues often stem from outdated versions.
- Device Connection: Verify the J2534 device is correctly connected and recognized by ISTA. A simple reconnection may help.
Let me know if this resolves it!
Steven:
I occasionally encounter the same error. My fix is simple:
- Unplug the J2534 device from both the vehicle and computer.
- Close ISTA completely.
- Reconnect the J2534 and relaunch ISTA.
This has worked for me in the past.
Tavish:
You could escalate this issue to BMW through the AOS (Aftersales Online System) by submitting a support ticket. Out of curiosity, which module are you attempting to update?
Larry:
I used to see this error frequently with my J2534 device but couldn’t find a consistent fix. I eventually switched to an ICOM, and the problem disappeared. If you do a lot of BMW work, investing in an ICOM is worth considering.
Shaun:
If you’re in a bind, try using an ENET cable. They’re inexpensive, and you can make one yourself.
Paul (Follow-up):
Has anyone successfully used an ENET cable with a legitimate ISTA subscription? From my experience, it isn’t listed as an option in the VCI manager.
Mark:
As many have mentioned, J2534 tools are inconsistent at best when working with BMW online services for programming and coding. If you’re handling a lot of BMW vehicles, I recommend investing in an ICOM.
Diego:
BMW programming with J2534 can be hit-or-miss, especially with newer FEM/BDC modules. For a smoother experience, ICOM is the way to go.
Final Suggestions:
- Try Reconnecting Devices: Many users suggest unplugging and restarting the setup to resolve connectivity issues.
- Consider an ICOM: If you frequently program BMWs, investing in an ICOM unit could save time and frustration.
- Use ENET Cables: While not officially supported by ISTA subscriptions, some users report success with DIY ENET cables for diagnostics.
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