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Service bulletins for the 2016 Fiat 500X

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.

229 on file from NHTSA, as of 2026-10-19.

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By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
2102415 REV D2022-07-05. Service bulletin. POWER TRAIN. Transmission Shift And Drivability Enhancements.
2102415 REV C2022-07-05. Service bulletin. POWER TRAIN. Transmission Shift And Drivability Enhancements.
21013162022-07-05. Service bulletin. POWER TRAIN. Speed Transmission Quick Learn Procedure.
2101316 REV A2022-07-05. Service bulletin. POWER TRAIN. Speed Transmission Quick Learn Procedure.
18013162022-07-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Diagnostic And System Improvements.
08-027-212021-03-15. Service bulletin. POWER TRAIN. Flash: Drivetrain Control Module (DTCM) Diagnostic and System Improvements This bulletin involves reprogramming the DTCM with the latest available 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):C2502-64 - Signal Plausibility Failure. C2210-92 - ETM Hall Sensor Performance Or Incorrect Operation. C2220-54 - ETM Calibration Error Missing Calibration. C2020-01 - ECU Internal Fault - General Electrical Failure. This software update also includes the following enhancementsReduce Rear Drive Module (RDM) noise during disconnect phase at speeds above 45 kph (28 mph)North America Only.
21-024-15 REV D2019-05-20. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. 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 Traction Plus modes. ? RPM flare at engine start. ? Less than desired idle performance when shifting into DRIVE or REVERSE following a cold start. The following enhancements are included in the software update: ? Vehicle performance enhancements. ? Improve transmission shift enhancements for sand and snow mode. ? Improved paddle shifter operation.
21-024-15 REV C2019-05-20. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. 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 following enhancements are included in the software update: ? Improved paddle shifter operation. ? Improve transmission shift enhancements for sand and snow mode.
21-013-162018-06-11. Service bulletin. POWER TRAIN. 948TE 9 Speed Transmission Quick Learn Procedure This bulletin provides information on how to perform the new scan tool based transmission Quick Learn procedure. This procedure is required after certain transmission repairs or to improve a customer?s concern of poor shift quality. Customers may indicate that their transmission shift quality may be erratic.
08-010-16 REV. C2018-06-11. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE; BACK OVER PREVENTION; SEAT BELTS; WHEELS; SERVICE BRAKES, HYDRAULIC; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING; AIR BAGS; POWER TRAIN; STEERING. Flash: Diagnostic And System Improvements This bulletin involves updating the Body Control Module (BCM), Powertrain Control Module (PCM) and Transmission Control Module (TCM) with the latest available software. All three modules must be updated in this service action. Powertrain Control Module (PCM) 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): U1424-00 - Implausible Engine Torque Signal Received. P0335 - Crankshaft Position Sensor Circuit. P1185 - General Pressure Sensor Correlation. P050D - Cold Start Rough Idle. P1CEC - Variable Valve Solenoid Valve Cold Start Closing Position 1 Timing Over-Retard. P1CED - VAriable Valve Timing Solenoid Valve Cold Start Closing Position Timing Over-Advance. P1607 - PCM Internal Shutdown Timer Rationality. P2610 - PCM Internal Engine Off Timer Performance. · P0440 - General EVAP System Failure. · P0441 - EVAP Purge System Performance. · P0456 - EVAP System Small Leak. · P0455 - EVAP System Large Leak. · P0452 - EVAP Pressure Switch Stuck Closed. · P0133 - O2 Sensor 1/1 Slow Response. · C0501 - Wheel Speed Signal Left Front Rationality. · C0507 - Wheel Speed Signal Right Front Rationality. · C050D - Wheel Speed Signal Left Rear Rationality. · C0513 - Wheel Speed Signal Right Rear Rationality. · U0428-00 - Implausible Data Received From Steering Angle Sensor Module. · P1185 - General Pressure Sensor Correlation. · C0061 - Lateral Acceleration Sensor. · P0128 - Thermostat Rationality. · C0501 - Wheel Speed Signal Left Front Rationality. · C0507 - Wheel Speed Signal Right Front Rationality. · C050D - Wheel Speed Signal Left Rear Rationality. · C0513 - Wheel Speed Signal Right Rear Rationality. · C0062 - Longitudinal Acceleration Sensor In Airbag System - Signal Invalid. · U0402 - Implausible Data Received From TCM - (Transmission Control Module).
21-013-16 REV. A2018-06-11. Service bulletin. POWER TRAIN. 948TE 9 Speed Transmission Quick Learn Procedure This bulletin provides information on how to perform the new scan tool based transmission Quick Learn procedure. This procedure is required after certain transmission repairs or to improve a customer?s concern of poor shift quality. Customers may indicate that their transmission shift quality may be erratic.
RL305553A2018-06-11. Service bulletin. POWER TRAIN. 9-spd Transmission: FOR NAFTA Market Only: If you are ordering this transmission please follow all wiTECH pop ups and Warranty Payment Guidelines. If this vehicle contains 1 of the 30 Diagnostic Codes in the 9 Speed Tutorial located on the Service Home Page then please follow the repair steps and submit a Topology report as well as a Vehicle Scan Report with the Warranty Claim.~
08-010-16 REV. B2018-05-21. Service bulletin. POWER TRAIN. Flash: Diagnostic And System Improvements This bulletin involves updating the Body Control Module (BCM), Powertrain Control Module (PCM) and Transmission Control Module (TCM) with the latest available software. All three modules must be updated in this service action. Powertrain Control Module (PCM) 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): ·**U1424-00 - Implausible Engine Torque Signal Received. ·P0335 - Crankshaft Position Sensor Circuit. ·P1185 - General Pressure Sensor Correlation. ·P050D - Cold Start Rough Idle. ·P1CEC - Variable Valve Solenoid Valve Cold Start Closing Position 1 Timing Over-Retard. ·P1CED - VAriable Valve Timing Solenoid Valve Cold Start Closing Position Timing Over-Advance. ·P1607 - PCM Internal Shutdown Timer Rationality. ·P2610 - PCM Internal Engine Off Timer Performance. ·P0440 - General EVAP System Failure. ·P0441 - EVAP Purge System Performance. ·P0456 - EVAP System Small Leak. ·P0455 - EVAP System Large Leak. ·P0452 - EVAP Pressure Switch Stuck Closed. ·P0133 - O2 Sensor 1/1 Slow Response. ·C0501 - Wheel Speed Signal Left Front Rationality. ·C0507 - Wheel Speed Signal Right Front Rationality. ·C050D - Wheel Speed Signal Left Rear Rationality. ·C0513 - Wheel Speed Signal Right Rear Rationality. ·U0428-00 - Implausible Data Received From Steering Angle Sensor Module. ·P1185 - General Pressure Sensor Correlation. ·C0061 - Lateral Acceleration Sensor. ·P0128 - Thermostat Rationality. ·C0501 - Wheel Speed Signal Left Front Rationality. ·C0507 - Wheel Speed Signal Right Front Rationality. ·C050D - Wheel Speed Signal Left Rear Rationality. ·C0513 - Wheel Speed Signal Right Rear Rationality. ·C0062 - Longitudinal Acceleration Sensor In Airbag System - Signal Invalid.** ·U0402 - Implausible Data Received From TCM - (Transmission Control Module).
08-010-162017-11-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN; ELECTRICAL SYSTEM. Flash: Diagnostic And System Improvements This bulletin involves updating the Body Control Module (BCM), Powertrain Control Module (PCM), Transmission Control Module (TCM) with the latest available software. All three modules must be updated in this service action. 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 Traction Plus modes. · RPM flare at engine start. · Less than desired idle performance when shifting into DRIVE or REVERSE following a cold start. The following enhancements are included in the software update: · Vehicle performance enhancements. · Improve transmission shift enhancements for sand and snow mode. · Improved paddle shifter operation. Body Control Module (BCM) A customer may describe that the remote key is not recognized and doesn't open/close door locks. In some cases the engine may not start due to the fact that a valid key is not recognized. Upon further investigation the technician may find the Diagnostic Trouble Codes (DTCs): · B105A-64 - Doors Lock All-Signal Plausibility Failure. · B105D-64 - Doors Deadlock Or Unlock Driver-Signal Plausibility Failure.
21-035-162017-11-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Transmission Shift And Drivability Enhancements For P0901-00. This bulletin involves performing transmission harness replacement per S55 recall.Both the PCM and TCM must be up to date for these changes to be effective after the transmission harness repair. Customers may experience a Malfunction Indicator Lamp (MIL) illumination after S55 recall TCM flash has been performed. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set: P0901-00 - Clutch 1 Actuator Control Circuit Range Performance.
21-042-172017-11-03. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN. Flash: Transmission Diagnostic and Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one of the following DTCs have been set:P0887 - TCM Power Control Circuit High. P061B - Internal Control Module Torque Calculation Performance. P072F - Stuck In Fourth Gear. P0711 - Transmission Fluid Temperature Sensor A Circuit Range-Performance(2015 BU Only). P1CC9 - Unable to Engage Gear(2015 BU Only). P1D98 - Incorrect Gear Ratio Clutch B or D Defective(2015 BU Only). U0401 - Implausible Data Received From ECM-PCM(2015 BU Only). In addition, customers may notice the following condition(s):Harsh 1-2 upshift. Harsh garage shifts (Park to Reverse or Drive). CAN bus message may drop out after a network restart.
21-013-16 REV. B2017-11-03. Service bulletin. POWER TRAIN; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 948TE 9 Speed Transmission Quick Learn Procedure This bulletin provides information on how to perform the new scan tool based transmission Quick Learn procedure. This procedure is required after certain transmission repairs or to improve a customer?s concern of poor shift quality. Customers may indicate that their transmission shift quality may be erratic.
08-010-16 REV. D2017-11-03. Service bulletin. POWER TRAIN; SERVICE BRAKES, HYDRAULIC; BACK OVER PREVENTION; STEERING; STRUCTURE; EXTERIOR LIGHTING; WHEELS; ELECTRICAL SYSTEM. Flash: Diagnostic And System ImprovementsThis bulletin involves updating the Body Control Module (BCM), Powertrain Control Module (PCM) and Transmission Control Module (TCM) with the latest available software. All three modules must be up to date when finished with this service action. 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):· **P1066 - Cylinder 1 oil supply solenoid valve switch off time out of range.· P1068 - Cylinder 2 oil supply solenoid valve switch off time out of range. · P106A - Cylinder 3 oil supply solenoid valve switch off time out of range. · U1424-00 - Implausible Engine Torque Signal Received.** · P0335 - Crankshaft Position Sensor Circuit. P1185 - General Pressure Sensor Correlation. · P050D - Cold Start Rough Idle.· P1CEC - Variable Valve Solenoid Valve Cold Start Closing Position 1 Timing Over-Retard.· P1CED - VAriable Valve Timing Solenoid Valve Cold Start Closing Position Timing Over-Advance.· P1607 - PCM Internal Shutdown Timer Rationality.· P2610 - PCM Internal Engine Off Timer Performance.· P0440 - General EVAP System Failure.· P0441 - EVAP Purge System Performance.· P0456 - EVAP System Small Leak.· P0455 - EVAP System Large Leak.· P0452 - EVAP Pressure Switch Stuck Closed· P0133 - O2 Sensor 1/1 Slow Response.· C0501 - Wheel Speed Signal Left Front Rationality. · C0507 - Wheel Speed Signal Right Front Rationality. · C050D - Wheel Speed Signal Left Rear Rationality. · C0513 - Wheel Speed Signal Right Rear Rationality. · U0428-00 - Implausible Data Received From Steering Angle Sensor Module. · P1185 - General Pressure Sensor Correlation. · C0061 - Lateral Acceleration Sensor. · P0128 - Thermostat Rationality. · C0501 - Wheel Speed Signal Left Front Rationality. · C0507 - Wheel Speed Signal Right Front Rationality. · C050D - Wheel Speed Signal Left Rear Ration
18-013-162017-10-13. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: 1.4L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with new software. Some customers may experience one or more of the following conditions: · Cruise control will not allow resume at 32 kph (20 mph). · Engine cranking times out after 5 seconds. · Cruise control is disengaging at highway speeds when upshifting to 6th gear.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.