# Service bulletin 18\-083\-20

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.

- Type: Service bulletin
- NHTSA id: 10181608
- Published by NHTSA: 2020\-10\-26
- Manufacturer's number: 18\-083\-20
- Manufacturer's date: 2020\-09\-11
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION

## NHTSA's 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 following Diagnostic Trouble Code \(DTC\):P04FC \- Crankcase Ventilation System Performance. Customer may also experience the following: Unable to set the cruise control above 132 km/h \(82 mph\). A hard brake pedal at higher altitudes. Software enhancements also includes the following:Improved brake pedal feel at higher altitude. Cruise control enhancement.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10181608-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10181608-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Transmission and driveline, Automatic transmission

## Trouble codes named

P04FC

## Vehicles listed

- 2020 CHRYSLER 300

## Other bulletins for the same vehicles and component

- [S1808000152](/bulletins/10234438.md), 2023-04-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). CEL \(Check Engine Lamp\) Illuminates, Recent PCM Replace or Flash Update Performed, Diagnostic Trouble Codes \(DTCs\) P057B Brake Pedal Position Sensor Circuit Performance, P1572 Brake Pedal Stuck, C0042\-54 Brake Pedal Missing Calibration
- [S2125000002](/bulletins/10221288.md), 2022-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Customer complaint includes a Mil\-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM:
- [S2125000002](/bulletins/10212447.md), 2022-05-31, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Customer complaint includes a Mil\-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM:

JSON: [/v1/bulletins/10181608](/v1/bulletins/10181608)

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