Lexus TSB #L-SB-0035-22

2022 Lexus LX 600

TSB Document:

Affected 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.

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Date Published
AUG 15, 2022
NHTSA TSB #
10220229
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