# Service bulletin B23\-010

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: 10252481
- Published by NHTSA: 2024\-04\-03
- Manufacturer's number: B23\-010
- Manufacturer's date: 2024\-03\-27
- NHTSA component: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## NHTSA's summary

Service Bulletin \- During engine start in cold conditions, a miscalculation in the PCM causes the air\-fuel ratio to exceed DTC rich criteria.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-10252481-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-10252481-9999.pdf)

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

## Components

Transmission and driveline, Automatic transmission, Transmission control module

## Vehicles listed

- 2019 to 2023 ACURA RDX
- 2021 to 2023 ACURA TLX

## Other bulletins for the same vehicles and component

- [B18\-045](/bulletins/10145033.md), 2018-10-01, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Service bulletin \- Some troubleshooting procedures for a loss of communication or F\-CAN malfunction DTC?s require running the F\-CAN Bus Connected Unit Check using the i\-HDS. There are certain control units that may be reported as Not Available in the Status column even though they are properly communicating.

JSON: [/v1/bulletins/10252481](/v1/bulletins/10252481)

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