Flash: Powertrain Control Module (PCM) Updates
Chrysler technical service bulletin 18-108-20 for 2019 Chrysler 300.
- Bulletin number
- 18-108-20
- Component
- Electrical system
- Summary
- Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM 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):P0420 - Catalyst System Efficiency Below Threshold Bank 1 P0430 - Catalyst System Efficiency Below Threshold Bank 2. Customers may describe the following:Hearing a pre-detonation noise (Spark Knock) sound in the engine during acceleration.
Owners of these vehicles have filed 22 complaints in the electrical category.
Vehicles covered
- Chrysler 300 2019 2019
VIN decoder
See the problems and recalls for an exact car
Buying a used Chrysler 300?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history