Service bulletin 21-044-15

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)
Type	Service bulletin
NHTSA id	10150615
Published by NHTSA	2018-12-10
Manufacturer's number	21-044-15
Manufacturer's date	2015-06-20
NHTSA component	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): ? P0887-00 -Transmission Fluid Temperature Sensor A Circuit Range-Performance ? P1CC9-00 - Unable to Engage Gear ? P1D98-00 - Incorrect Gear Ratio Clutch B or D Defective ? P0711-00 - Transmission Fluid Temperature Sensor A Circuit Range-Performance ? U0401-00 - Implausible Data Received From The ECM-PCM

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

Transmission and driveline

Trouble codes named

P0711, P0887, P1CC9, P1D98, U0401

Vehicles listed
FIAT 500	2016

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

Recalls for the same vehicles and component
16V302000	2016-05-16. POWER TRAIN:MANUAL TRANSMISSION
2016217	2016-05-12. Powertrain

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

Other bulletins for the same vehicles and component
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21-038-15 REV-B	2018-12-17. Service bulletin. Flash: Drivetrain Control Module (DTCM) C2020-01 ECU Internal Fault setting in the DTCM This bulletin involves reprogramming the Drivetrain Control Module (DTCM) with the latest available software. Some vehicles may experience the All Wheel Drive Light (AWD) illuminating due to DTC C2020-01 ECU Internal Fault setting erroneously in the DTCM.
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