When certain vehicle ECUs are replaced, the ECU security key must be written in order for that ECU to...
Lexus technical service bulletin L-SB-0035-22 for 2022 Lexus LS500, 2022 Lexus LS Hybrid and 2022 Lexus NX450H+ and others.
- Bulletin number
- L-SB-0035-22
- Component
- Equipment: electrical
- Summary
- TSB: When certain vehicle ECUs are replaced, the ECU security key must be written in order for that ECU to communicate on the vehicle network. The Techstream Software Health Check Results screen has been enhanced to help identify if a replacement ECU requires an ECU security key. Follow the procedures in this bulletin to write the ECU security key to the replacement ECU.
Vehicles covered
- Lexus LS500 2022 2022
- Lexus LS Hybrid 2022 2022
- Lexus NX450H+ 2022 2022
- Lexus NX250 2022 2022
- Lexus NX350 2022 2022
- Lexus NX350H 2022 2022
- Lexus LX600 2022 2022
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