Lexus ES 2019–2024 — technical service bulletin
Bulletin L-TT-0336-24 Rev1 · NHTSA communication 11011637 · issued Nov 6, 2024
Technical service bulletin
communication type
Engine
component
2019–2024
model years
24
vehicle entries
Official summary
After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087 - Lost Communication with ECM/PCM "A" Missing Message. Upon investigation, it is found that the engine ECU has been damage and needs to be replaced. In several cases, the cause of the ECU damage was improper jump starting. Further investigation found that ECU damage may occur if the negative (ground) cable clamps are attached on or around the engine ECU or mounting bracket. To prevent this condition from occurring, it is recommended that the jumper cables be attached as described in the own
Vehicles covered
- 2019 Lexus ES
- 2020 Lexus ES
- 2021 Lexus ES
- 2022 Lexus ES
- 2023 Lexus ES
- 2024 Lexus ES
- 2019 Lexus ES Hybrid
- 2020 Lexus ES Hybrid
- 2021 Lexus ES Hybrid
- 2022 Lexus ES Hybrid
- 2023 Lexus ES Hybrid
- 2024 Lexus ES Hybrid
- 2022 Lexus NX
- 2023 Lexus NX
- 2024 Lexus NX
- 2022 Lexus NX Hybrid
- 2023 Lexus NX Hybrid
- 2024 Lexus NX Hybrid
- 2023 Lexus RX
- 2024 Lexus RX
- 2023 Lexus RX Hybrid
- 2024 Lexus RX Hybrid
- 2024 Lexus TX
- 2024 Lexus TX Hybrid
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.