When completing a transaxle assembly replacement, Engine Control Module (ECM) (SAE term: Powertrain...
Toyota technical service bulletin T-SB-0001-18 Rev for 2017-2018 Toyota Sienna and 2017-2018 Toyota Highlander.
- Bulletin number
- T-SB-0001-18 Rev
- Component
- Electrical system
- Summary
- TSB: When completing a transaxle assembly replacement, Engine Control Module (ECM) (SAE term: Powertrain Control Module [PCM]) replacement, or ECM (PCM) reprogram, ensure the correct ECM (PCM) software is matched with the transaxle assembly hardware. Some 2017 ? 2018 model year Highlander and Sienna vehicles require different ECM (PCM) software based on the transaxle assembly hardware installed in the vehicle.
Owners of these vehicles have filed 97 complaints in the electrical category.
Vehicles covered
- Toyota Sienna 2017-2018 20172018
- Toyota Highlander 2017-2018 20172018
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