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Service bulletin 21-024-15 REV-B

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10148681
Published by NHTSA2018-11-19
Manufacturer's number21-024-15 REV-B
Manufacturer's date2015-09-23
NHTSA componentEQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN

NHTSA's summary

Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? P0711 - Transmission Fluid Temperature Sensor A Circuit Range-Performance. ? P1CC9 - Unable to Engage Gear. ? P1D98 - Incorrect Gear Ratio Clutch B or D Defective. ? P1DAD - Input Shaft-Output Shaft Direction Correlation. ? U1424 - Implausible Engine Torque Signal Received. In addition, the customer may also experience one or more of the following transmission related conditions: ? Garage Shifts (Shifting from Park or Neutral into Drive or Reverse.) ? Harsh 1-2 upshifts. ? Less than desired accelerator pedal response in Sport and TractionPlus modes. ? RPM flare at engine start. ? Less than desired idle performance when shifting into DRIVE or REVERSE following a cold start.

The document

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, Equipment and accessories, Transmission and driveline

Trouble codes named

P0711, P1CC9, P1D98, P1DAD, U1424

Vehicles listed
FIAT 5002016

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

Recalls for the same vehicles and component
16V6670002016-09-15. EQUIPMENT:OTHER:LABELS; TIRES:TEMPORARY/EMERGENCY SPARE TIRE
16V3030002016-05-16. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
16V3020002016-05-16. POWER TRAIN:MANUAL TRANSMISSION
20162172016-05-12. Powertrain

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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