# Service bulletin 1809123

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: 10243255
- Published by NHTSA: 2023\-10\-02
- Manufacturer's number: 1809123
- Manufacturer's date: 2023\-08\-16
- NHTSA component: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## NHTSA's summary

Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ? P0455 \- EVAP System Large Leak. ? P0456 \- EVAP System Small Leak. ? P0440 \- General EVAP System Failure. ? P0441 \- EVAP Purge System Performance. This bulletin involves reprogramming the PCM with the latest available software.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10243255-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10243255-9999.pdf)

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

## Components

Electrical system, Transmission and driveline, Automatic transmission, Transmission control module

## Trouble codes named

P0440, P0441, P0455, P0456

## Vehicles listed

- 2022 DODGE CHALLENGER

## Other bulletins for the same vehicles and component

- [1809623](/bulletins/10243283.md), 2023-10-02, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ? P0455 \- EVAP System Large Leak. ? P0456 \- EVAP System Small Leak. ? P0440 \- General Evap System Failure. ? P0441 \- EVAP Purge System Performance. This bulletin involves reprogramming the PCM with the latest available software.
- [1809523](/bulletins/10243280.md), 2023-10-02, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ? P0455 \- EVAP System Large Leak. ? P0456 \- EVAP System Small Leak. ? P0440 \- General Evap System Failure. ? P0441 \- EVAP Purge System Performance. This bulletin involves reprogramming the PCM with the latest available software.
- [1809023](/bulletins/10243253.md), 2023-10-02, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ? P0455 \- EVAP System Large Leak. ? P0456 \- EVAP System Small Leak. ? P0440 \- General EVAP System Failure. ? P0441 \- EVAP Purge System Performance. This bulletin involves reprogramming the PCM with the latest available software.
- [S2221000002](/bulletins/10223768.md), 2022-10-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. 8HP70 Automatic Transmissions Clunk Or Knock Type Noise From The Driveline.
- [9004509](/bulletins/10212248.md), 2022-05-31, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:FILTER/SCREEN. Oil Filter If a Mopar Oil Filter is not available, use a filter that meets or exceeds USCAR36 specification and is compatible with semi and full synthetic oils. Recommended Brands: Wix, Purolator, and NapaGold

JSON: [/v1/bulletins/10243255](/v1/bulletins/10243255)

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