Service bulletins for the 2017 Chrysler 300
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.
202 on file from NHTSA, as of 2026-10-19.
About P1DB8 on the 2017 Chrysler 300: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P1DB8 are shown. Show all
| 2101617 | 2022-10-24. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM; 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 that one of the following Diagnostic Trouble Codes (DTCs) have been set: U1424-00 - Implausible Engine Torque Signal Received. P1DB8-00 - Unintended Torque Applied While in Neutral. Customers may describe the following: Poor shift quality on coast down shifts (bumps) (LX and LD Only). In addition, the following software enhancement is available: Improved transmission shifting during a limp mode. |
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| 21-010-17 | 2022-08-08. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Transmission Diagnostic And Shift 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 the following Diagnostic Trouble Codes (DTCs) set in the TCM memory: P1DB8-00 - Unintended Torque Applied While In Neutral. U1424-00 - Implausible Engine Torque Signal Received.In addition to the above DTCs, this software release also includes: Improved transmission shifting during a limp mode. |
| 21-010-17 | 2018-06-11. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Transmission Diagnostic And Shift 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 the following Diagnostic Trouble Codes (DTCs) set in the TCM memory: P1DB8-00 - Unintended Torque Applied While In Neutral. U1424-00 - Implausible Engine Torque Signal Received.In addition to the above DTCs, this software release also includes: Improved transmission shifting during a limp mode. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.