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Service bulletins for the 2017 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.

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

About P0326 on the 2017 Fiat 500X: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: P0326 are shown. Show all

Bulletins, newest first
18-119-162017-11-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with new software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set. P0000-00 - will be displayed in the scan tool, but should really be displaying P0326-00 (Knock Sensor 1 Circuit Performance).
18-087-172017-11-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one of the following DTCs have been set:P1D7F - ETC (Electronic Throttle Control) Self-Learning Failure. P1524 - Oil Pressure Out Of Range - Camshaft Advance/Retard Disabled. P0000-00 - Will be displayed in the scan tool, but should really be displaying P0326-00 (Knock Sensor 1 Circuit Performance). In addition, the customer may notice the following condition:Hard start condition, caused by spark plugs fouling.

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