# Service bulletin B18\-045

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: 10145033
- Published by NHTSA: 2018\-10\-01
- Manufacturer's number: B18\-045
- Manufacturer's date: 2018\-09\-03
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10145033-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10145033-0001.pdf)

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

## Components

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

## Vehicles listed

- 2019 ACURA RDX

## Other bulletins for the same vehicles and component

- [B23\-010](/bulletins/10252481.md), 2024-04-03, Service bulletin: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Service Bulletin \- During engine start in cold conditions, a miscalculation in the PCM causes the air\-fuel ratio to exceed DTC rich criteria.
- [B21\-028](/bulletins/10203800.md), 2021-12-03, Service bulletin: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN. Service Bulletin \- The MIL comes on with DTC P061B \(PCM Internal Malfunction\) is stored.
- [B19\-062](/bulletins/10167694.md), 2019-11-16, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Service Bulletin \- Vehicles with system software version D.1.2.1 or higher now have the capability to log MOST bus network failures.

JSON: [/v1/bulletins/10145033](/v1/bulletins/10145033)

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