Service bulletin 2101814REVB

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

Flash: Transmission Shift and Diagnostic Enhancements This bulletin involves flash reprogramming of the Transmission Control Module (TCM) with new software.Vehicles that are being updated from TCM software p/n 682235$$AN or 682354$$AN ($$ are wild cards for any number) will not require the 9 Speed Adaptation Drive Learn Procedure to be performed. However, vehicles being updated from any other software part number will require the Adaptation Drive Learn Procedure to be performed. Refer to all applicable published service bulletins regarding the 9 Speed Adaptation Drive Learn procedure for detailed repair procedures and labor times. Diagnostic Trouble Code (DTC) robustness improvements are included in this software release. These improvements apply to the following DTCs: P072F- Stuck in Gear 4 P076F- Gear 7 shift incorrect ratio P0810- Clutch position control error P1CC9- Unable to engage gear P0734- Gear 4 shift incorrect ratio P061B- Internal control module torque calculation performance

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

Electrical system, Transmission and driveline

Trouble codes named

P061B, P072F, P0734, P076F, P0810, P1CC9

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

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

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