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Service bulletin A19-071

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 id10162451
Published by NHTSA2019-07-11
Manufacturer's numberA19-071
Manufacturer's date2019-07-05
NHTSA componentVEHICLE SPEED CONTROL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

Service Bulletin - Auto idle stop does not work. The PCM incorrectly calculates battery current, which prevents auto idle stop from working.

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, Throttle and cruise control, Transmission and driveline, 12-volt battery, Automatic transmission, Transmission control module

Vehicles listed
HONDA ODYSSEY2018, 2019

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

Recalls for the same vehicles and component
19V2990002019-04-12. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; POWER TRAIN:AUTOMATIC TRANSMISSION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
A21-0102021-02-18. Service bulletin. "Service Bulletin - The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter. Additionally, debris from the high pressure pump or the fuel injector machining process can cause internal wear or clogging inside one or more injectors. One or more of the following DTCs may be stored: - P0420 (rear bank catalyst system efficiency below threshold [bank 1]) - P0430 (front bank catalyst system efficiency below threshold [bank 2]) - P0300-P0306 (misfire) - P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) - P219B (air-fuel ratio variation of cylinder [bank 2, front bank]) American Honda is extending the warranty on these repairs to 10 years from the original date of purchase or 150,000 miles, whichever comes first."
A20-1002021-02-18. Service bulletin. "Service Bulletin - The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter. Additionally, debris from the high pressure pump or the fuel injector machining process can cause internal wear or clogging inside one or more injectors. One or more of the following DTCs may be stored: - P0420 (rear bank catalyst system efficiency below threshold [bank 1]) - P0430 (front bank catalyst system efficiency below threshold [bank 2]) - P0300-P0306 (misfire) - P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) - P219B (air-fuel ratio variation of cylinder [bank 2, front bank]) American Honda is extending the warranty on these repairs to 10 years from the original date of purchase or 150,000 miles, whichever comes first."
A19-0722020-12-02. Service bulletin. "Service Bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [bank 2]). Additionally, one or more of the following DTCs may also be stored: -P030X (misfire) -P219A (air-fuel ratio variation of cylinder [bank 1, rear bank]) -P219B (air-fuel ratio variation of cylinder [bank 2, front bank])"
A18070E2018-08-06. Service bulletin. Servicenews article - There are two types of 12-volt batteries used in Honda vehicles today: the conventional flooded lead acid (FLA) battery and the absorbed glass mat (AGM) battery. Each battery type has its own uniquely tuned charging and battery management systems, therefore cannot be interchanged.
A18070E2018-07-30. Service bulletin. Servicenews article - There are two types of 12-volt batteries used in Honda vehicles today: the conventional flooded lead acid (FLA) battery and the absorbed glass mat (AGM) battery. Each battery type has its own uniquely tuned charging and battery management systems, therefore cannot be interchanged.
A17-0362017-09-27. Service bulletin. Service bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [Bank 2]). The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter.