WenmarOpen by Wenmar Pro

Service bulletin Service Bulletin

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10118043
Published by NHTSA2017-09-27
Manufacturer's numberService Bulletin
Manufacturer's date2014-10-22
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Service bulletin - The software controlling the IMA battery incorrectly maintains the battery and over time the battery can develop a memory effect that appears as a reduction in battery capacity. Additionally, DTC P0A7F (Battery Module Deterioration) may be stored.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Trouble codes named

P0A7F

Vehicles listed
HONDA CR-Z2011, 2012
HONDA INSIGHT2010, 2011, 2012

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
A21120B2023-06-21. Service bulletin. Service News - The navigation clock and date are incorrect. This is due to a limited GPS receiver Capacity resulting in a rollover of the internal chip memory; the rollover occurred on January 1, 2022, at 12:00AM local time.
A21120B2022-02-04. Service bulletin. ServiceNews Article - The clock shows the incorrect time. This issue is due to a limited GPS receiver capacity resulting in "rollover" of the internal chip memory; the "rollover" will occur on January 1, 2022 at 12:00AM local time. As a result, the navigation date and time will be incorrect.
JK5-14-0642021-05-12. Service bulletin. Our records indicate that a PRODUCT UPDATE has not been completed on this vehicle; refer to the address card for the affected VIN. The software controlling the IMA battery on your vehicle incorrectly maintains the battery and, over time, the battery develops a memory affect that appears as a reduction in battery capacity. If the software is not updated, it is likely that the vehicle may set a code falsely indicating a deterioration of the battery of pack, or the battery level gauge may suddenly drop to empty and start charging unnecessarily.
JK4-14-0642021-05-12. Service bulletin. Our records indicate that a PRODUCT UPDATE has not been completed on this vehicle; refer to the address card for the affected VIN. The software controlling the IMA battery on your vehicle incorrectly maintains the battery and, over time, the battery develops a memory effect that appears as a reduction in battery capacity. If the software is not updated, it is likely that the vehicle may set a code falsely indicating a deterioration of the battery pack, or the battery level gauge may suddenly drop to empty and start charging unnecessarily.
Service Bulletin2017-10-15. Service bulletin. Service bulletin - The software controlling the IMA battery incorrectly maintains the battery and over time the battery can develop a memory effect that appears as a reduction in battery capacity. Additionally, DTC P0A7F (Battery Module Deterioration) may be stored.
DLR MSG - Honda2017-10-15. Service bulletin. Dealer message - Today, October 3, 2014, American Honda is announcing a product update for all 2011-12 CR-Z and 2010-12 Insight vehicles. The product update involves updating the IMA battery control unit software to address premature battery deterioration concerns.
Service Bulletin2017-09-29. Service bulletin. Service bulletin- The software controlling the IMA battery incorrectly maintains the battery and over time the battery can develop a memory effect that appears as a reduction in battery capacity. Additionally, DTC P0A7F (Battery Module Deterioration) may be stored.
SB-14-0642015-01-21. Service bulletin. HONDA: REPAIR PROCEDURE IS PROVIDED REGARDING THE UPDATING OF THE SOFTWARE FOR THE IMA BATTERY CONTROL MODULE. MODEL 20112 CR-Z, 2010-2012 INSIGHT. *PE UPDATED 03/03/15*LJ UPDATED 04/24/15*LJ
A13-0682013-10-17. Service bulletin. HONDA: DESCRIPTION OF TOOLS AND EQUIPMENT, UPDATING TIPS AND PRECAUTIONS, AS WELL AS HONDA CONTACT INFORMATION. *JS
SB-12-0482012-09-19. Service bulletin. HONDA: INFORMATION ON REPLACEMENT AND REMOVAL OF JUNCTION BOARD FROM OLD IMA BATTERY AND NEW BATTERY MOUNTED BEFORE BATTERY IS INSTALLED. MODELS 2003-11 CIVIC HYBRID, 2011-12 CR-Z, 2000-06 INSIGHT, 2010-12 INSIGHT. *PE UPDATED 9/28/12. *PE UPDATED 10/11/12. *PE UPDATED 11/19/12. *PE UPDATED 8/6/13. *PE UPDATED 9/30/13. *PE