# Service bulletin 1802323

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: 10241130
- Published by NHTSA: 2023\-08\-21
- Manufacturer's number: 1802323
- Manufacturer's date: 2023\-06\-29
- NHTSA component: POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); 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 one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ? \*\*P1CEA\-00 \- Boost Side EVAP Purge System Performance.\*\* ? P2300\-00 \- Ignition Coil A Primary Control Circuit Low. ? P2303\-00 \- Ignition Coil B Primary Control Circuit Low. ? P2306\-00 \- Ignition Coil C Primary Control Circuit Low. ? P2309\-00 \- Ignition Coil D Primary Control Circuit Low. ? P1CEA\-00 \- Boost Side 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-10241130-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10241130-9999.pdf)

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

## Components

Transmission and driveline, Automatic transmission, Manual transmission, Transmission control module

## Trouble codes named

P1CEA, P2300, P2303, P2306, P2309

## Vehicles listed

- 2023 RAM 4500
- 2023 RAM 5500

## Other bulletins for the same vehicles and component

- [1808223](/bulletins/10242790.md), 2023-09-25, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Updates Customers may experience the following: ? Cruise control inoperative. This bulletin involves reprogramming the PCM with the latest available software.

JSON: [/v1/bulletins/10241130](/v1/bulletins/10241130)

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