Hello Trennschleifer, I too am having this issue with 12/25 built Bronco trucks. Getting "Gain security access failed - security key is wrong" error and service procedure interrupted.
I have tried updating to the beta software v2.4.22 which unfortunately did not help. Same as you are describing ...
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- Fri Feb 27, 2026 12:31 pm
- Forum: General and Support forum
- Topic: Writing Error on IPC
- Replies: 5
- Views: 1012