# Service bulletin A17\-023

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: 10165571
- Published by NHTSA: 2019\-10\-03
- Manufacturer's number: A17\-023
- Manufacturer's date: 2019\-09\-24
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN; ENGINE AND ENGINE COOLING

## NHTSA's summary

Service Bulletin \- Due to an improper PCM calibration, under certain conditions after starting the engine the PCM cannot properly adjust the air\-fuel ratio. As a result, vehicle emissions may exceed applicable standards.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10165571-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10165571-9999.pdf)

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

## Components

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

## Vehicles listed

- 2012 HONDA CIVIC

## Other bulletins for the same vehicles and component

- [A19\-106](/bulletins/10165576.md), 2019-10-03, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ENGINE AND ENGINE COOLING; POWER TRAIN. Service Bulletin \- Due to an improper PCM calibration, after starting the engine the PCM cannot properly adjust the air\-fuel ratio under certain conditions and the on\-board emission\-related diagnostic system may not appropriately detect a malfuction. As a result, vehicle emissions may exceed applicable emissions standards and the vehicle contains an improperly functioning on\-board emission\-related diagnostic system that violates applicable state and federal standards.
- [Service Bulletin](/bulletins/10129290.md), 2018-02-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Service bulletin \- The MIL comes on and DTC P0101 \(MAF sensor circuit range/performance problem\) is stored. The PCM misinterprets the mass air flow sensor inputs while driving with constant throttle movement.
- [ABOM04212017901](/bulletins/10108386.md), 2017-06-30, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). "DEALER MESSAGE \- TODAY, APRIL 21, 2017, AMERICAN HONDA MOTOR, CO., INC. IS NOTIFYING ALL DEALERS OF A VOLUNTARY EMISSIONS RECALL FOR CERTAIN MODEL YEAR 2012 HONDA CIVIC PZEV VEHICLES TO ADDRESS THE POSSIBILITY OF NON\-METHANE ORGANIC GAS \(NMOG\) EMISSIONS ABOVE THE REGULATION THRESHOLD."
- [A17\-023](/bulletins/10108385.md), 2017-06-30, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. SERVICE BULLETIN \- DUE TO AN IMPROPER PCM CALIBRATION, UNDER CERTAIN CONDITIONS AFTER STARTING THE ENGINE THE PCM CANNOT PROPERLY ADJUST THE AIR\-FUEL RATIO. AS A RESULT, VEHICLE EMISSIONS MAY EXCEED APPLICABLE STANDARDS.

JSON: [/v1/bulletins/10165571](/v1/bulletins/10165571)

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