DTC P17F4 stored in the TCM if you confirm

Bulletin number

NTB23-048A

Component

Electrical system

Summary

DTC P17F4 STORED IN THE TCM IF YOU CONFIRM The customer reports transmission vibration when accelerating, HINT: Vibration occurs during quick reacceleration after braking, during a 2-1 downshift of the auxiliary gearbox. AND DTC P17F4 for “AUXILIARY GEARBOX (CL JUDDER)” is stored in the TCM. · If DTCs other than P17F4 are stored, this bulletin does not apply. Refer to the ESM for further diagnostic information. ACTION Refer to the Repair Overview on page 2 to determine if this bulletin applies. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.

Owners of these vehicles have filed 127 complaints in the electrical category.