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Toyota TSB #TS-WI-0256
2012 Toyota Sienna
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- Service Bulletin sent to all dealers to update the firmware in the affected vehicles VMI computer. This allows for more amperage to draw the Powerkneel up allowing the up-limit switch to be tripped consistently. If the up limit switch is not engaged, a vehicle may not come out of park or the conversion may not operate properly next time it is deployed
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