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- Sat Jul 04, 2020 4:58 pm
- Forum: Installation
- Topic: MJLJ v3 Firmware update - Can't read MCU info.
- Replies: 1
- Views: 6068
MJLJ v3 Firmware update - Can't read MCU info.
Hello, I was trying to change my firmware from V3.0.0 to V3.3.1. On turning the ignition on the message came up in the screen shot attached: received 0xc0 (off-key). Can't read MCU info. Could be protocol error. (or forgot to set single wire mode?) What is single wire mode? What does it mean by prot...