Service bulletin LI27.60-P-078599

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

NHTSA's summary

Complaint Harsh 5-4 shift felt while braking, may be mistaken for a harsh brake engagement Cause In certain driving scenarios the transmission adaption is recorded at a higher value skewing the learning and leading to harsh engagement of clutches that is felt as a harsh 5-4 Remedy SW is now available for the Transmission that adjusts the learning to keep adaption values within a proper range 1.) Please Install the new transmission SW via Xentry 2.) Clear all faults 3.) After perform the reset of learned values deceleration mode in VGS Special Procedures Tab 4.) Then please perform 3-5 standstill adaptions in a row 5.) Confirm shifting is smooth and perform final QC If issues arise during the process, please open a TIPS case

The document

• NHTSA's copy of the document (PDF)
• If that address does not open, try this one

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline

Listing a model year does not mean every vehicle of it is concerned: the document says which.

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