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Service bulletin 18-010-15 REVB

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 id10149702
Published by NHTSA2018-12-03
Manufacturer's number18-010-15 REVB
Manufacturer's date2015-07-30
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

Flash:1.4L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. The customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find Diagnostic Trouble Codes (DTCs): ? P1046 - Cylinder 1 Oil Supply Solenoid Valve Overcurrent. ? P1048 - Cylinder 2 Oil Supply Solenoid Valve Overcurrent. ? P104A - Cylinder 3 Oil Supply Solenoid Valve Overcurrent. ? P104C - Cylinder 4 Oil Supply Solenoid Valve Overcurrent. ? P0141 Oxygen Sensor 1/2 Heater Performance. ? P061A Internal Control Module Torque Performance (2014 Vehicles only). ? Improved reverse lamp activation time (2015 auto trans only). ? Improved cold weather starting, below -4 °F (-20 °C).

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, Automatic transmission, Transmission control module

Trouble codes named

P0141, P061A, P1046, P1048, P104A, P104C

Vehicles listed
FIAT 5002014, 2015

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

Recalls for the same vehicles and component
15V2910002015-05-18. POWER TRAIN:AUTOMATIC TRANSMISSION

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
18069142023-02-21. Service bulletin. Powertrain Control Module (PCM)
18-010-15 REV. D2022-07-25. Service bulletin. Flash: 1.4L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. The 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): ? Cranks fast, as if no compression. ? P1524 - Oil Pressure Out Of Range - Camshaft Advance/Retard Disabled (2014 Vehicles only). ? P1128 - Closed Loop Fueling Not Achieved - Bank 1 Upstream (2014 Vehicles only). ? P0141 - Oxygen Sensor 1/2 Heater Performance (2015 Vehicles only). ? P1046 - Cylinder 1 Oil Supply Solenoid Valve Overcurrent. ? P1048 - Cylinder 2 Oil Supply Solenoid Valve Overcurrent. ? P104A - Cylinder 3 Oil Supply Solenoid Valve Overcurrent. ? P104C - Cylinder 4 Oil Supply Solenoid Valve Overcurrent. ? P061A Internal Control Module Torque Performance (2014 Vehicles only). ? Improved reverse lamp activation time (2015 auto trans only). ? Improved cold weather starting, below -4 °F (-20 °C).
18-032-15 REV-C2018-11-26. Service bulletin. Flash: 1.4L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience one of the following conditions or a a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find a Diagnostic Trouble Code has been set in the PCM. ? P0141 - O2 Sensor 1/2 Heater Performance. ? Crank no start condition in extreme cold temperatures of -4°F (-20°C) partially due to the available fuel blend conditions. Additional Software Improvements Include: ? P1046 - Cylinder 1 Oil Supply Solenoid Valve Overcurrent. ? P1048 - Cylinder 2 Oil Supply Solenoid Valve Overcurrent. ? P104A - Cylinder 3 Oil Supply Solenoid Valve Overcurrent. ? P104C - Cylinder 4 Oil Supply Solenoid Valve Overcurrent.
18-010-15 REV-C2018-11-26. Service bulletin. Flash:1.4L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. The 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): ? P0141 Oxygen Sensor 1/2 Heater Performance (software has been updated to better address this DTC, for EAB engines). ? P1046 - Cylinder 1 Oil Supply Solenoid Valve Overcurrent. ? P1048 - Cylinder 2 Oil Supply Solenoid Valve Overcurrent. ? P104A - Cylinder 3 Oil Supply Solenoid Valve Overcurrent. ? P104C - Cylinder 4 Oil Supply Solenoid Valve Overcurrent. ? P061A Internal Control Module Torque Performance (2014 Vehicles only). ? Improved reverse lamp activation time (2015 auto trans only). ? Improved cold weather starting, below -4 °F (-20 °C).
21-036-152018-11-26. Service bulletin. 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 or notice harsh shifts.
18-010-152018-11-19. Service bulletin. Flash:1.4L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. The customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find Diagnostic Trouble Codes (DTCs): ? P0141 Oxygen Sensor 1/2 Heater Performance. ? P061A Internal Control Module Torque Performance (2014 Vehicles only). ? Improved reverse lamp activation time (2015 auto trans only).
S202018-06-04. Service bulletin. Customer Satisfaction Notification S20 Reprogram Powertrain Control Module The Powertrain Control Module (PCM) software on about 81,000 of the above vehicles may have backup lamp illumination timing that does not meet customer expectations. The PCM must be reprogrammed with new software.
18-003-16 REV. A2017-11-03. Service bulletin. Flash: 1.4L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. 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): · P0141-00 - Oxygen Sensor 1/2 Heater Performance. · Improved reverse lamp activation time. · Cranks fast, as if no compression. · P1524-00 - Oil Pressure Out Of Range - Camshaft Advance/Retard Disabled (2014 Vehicles only). · P1128-00 - Closed Loop Fueling Not Achieved - Bank 1 Upstream (2014 Vehicles only). · P1046-00 - Cylinder 1 Oil Supply Solenoid Valve Overcurrent. · P1048-00 - Cylinder 2 Oil Supply Solenoid Valve Overcurrent. · P104A-00 - Cylinder 3 Oil Supply Solenoid Valve Overcurrent. · P104C-00 - Cylinder 4 Oil Supply Solenoid Valve Overcurrent. · P061A-00 Internal Control Module Torque Performance (2014 Vehicles only). · Improved cold weather starting, below -20 °C (-4 °F). The following powertrain system improvement/enhancement has been released to improve the accuracy of Mode 6 data parameters in generic scan tools.
18-003-162017-11-03. Service bulletin. Flash: 1.4L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination.
18-033-132016-04-26. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.