Some customers may complain about a harsh 1-2 shift on acceleration
Isuzu technical service bulletin IB18K002 for 2018-2019 Isuzu FTR.
- Bulletin number
- IB18K002
- Component
- Engine and engine cooling
- Summary
- Some customers may complain about a harsh 1-2 shift on acceleration. If there is no check engine malfunction indicator lamp illuminated or other engine performance related issue, refer the customer to their closest allison authorized repair location. Allison has released 181 level and beyond calibrations that may address this concern. Be sure to reference allison service information letter 25-1k2k-18 when returning the vehicle back to the customer. To assist the customer in locating the closest allison authorized repair location go to www.allisontransmission.com/sales-service-locator.
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