NTB23-048

DTC P17F4 STORED IN 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. ï‚· 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.