Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Failure To Initialize Can Interface Module (SS001-05)
Reference number: SS001-05
FAILURE TO INITIALIZE CAN INTERFACE MODULE
TECHNICAL SERVICE BULLETIN
| LEXUS: | 2004 - 2005 Applicable Models |
| GROUP: | SPECIAL SERVICE TOOLS |
| COPYRIGHT: | © 2018 Lexus, a division of Toyota Motor Sales, USA License Agreement TMS1002 |
Introduction
If the Diagnostic Tester fails to initialize CAN-based communication with on-board vehicle controllers, a damaged cable or inoperative CAN Interface Module may be at fault. This bulletin provides test procedures to check the integrity of the Diagnostic Tester cables and the CAN Interface Module.
Applicable Vehicles
- 2004 - 2005 model year CAN-equipped vehicles including 2004 model year LS 430
Required SSTs
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.