# Service bulletin 1815522

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: 10230553
- Published by NHTSA: 2023\-01\-23
- Manufacturer's number: 1815522
- Manufacturer's date: 2022\-11\-29
- NHTSA component: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## NHTSA's summary

Powertrain Control Module \(PCM\) Updates

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10230553-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10230553-9999.pdf)

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

## Components

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

## Vehicles listed

- 2023 JEEP WRANGLER

## Other bulletins for the same vehicles and component

- [S2309000012](/bulletins/10248869.md), 2024-01-16, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Mil\-On/Check Engine Lamp\-On with DTC P06DD set in the powertrain control module \(PCM\).
- [S2321000005](/bulletins/10248561.md), 2024-01-08, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Transmission Fluid Leak From Under The Vehicle.
- [S2321000005](/bulletins/10244400.md), 2023-10-30, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT. Transmission Fluid Leak From Under The Vehicle.
- [1804723](/bulletins/10241097.md), 2023-08-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Code \(DTC\) has been set: ? P2B95 \- Cold Start Injection Pulse Performance. This bulletin involves reprogramming the PCM with the latest available software.
- [S2325000006](/bulletins/10241022.md), 2023-08-21, Service bulletin: ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Customer complaint may include a MIL\-on or check engine lamp on condition.

JSON: [/v1/bulletins/10230553](/v1/bulletins/10230553)

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