# Service bulletin ITB15\-026A

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: 10091385
- Published by NHTSA: 2017\-02\-13
- Manufacturer's number: ITB15\-026A
- Manufacturer's date: 2016\-07\-22
- NHTSA component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY

## NHTSA's summary

"INFINITI; SIGNAL TECH\-II INTELLIGENT KEY BATTERY TEST AND SIGNAL CHECK THIS BULLETIN HAS BEEN AMENDED. CHANGES HAVE BEEN MADE THROUGHOUT. PLEASE DISCARD PREVIOUS VERSIONS OF THIS BULLETIN. IF YOU CONFIRM THE INTELLIGENT KEY INTERMITTENTLY OR CONTINUOUSLY DOES NOT FUNCTION. ACTION CHECK THE BATTERY CONDITION WITH THE SIGNAL TECH\-II “I\-KEY BATTERY TEST”."

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Electrical system, 12\-volt battery

## Vehicles listed

- 2015 to 2016 INFINITI Q50
- 2015 to 2016 INFINITI Q50 HYBRID
- 2015 to 2016 INFINITI QX60
- 2015 to 2016 INFINITI QX60 HYBRID

## Other bulletins for the same vehicles and component

- [ITB22\-006](/bulletins/10208943.md), 2022-03-12, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. BATTERY QUICK CHARGE NOTICE SERVICE INFORMATION When charging the vehicle’s 12 volt battery with the high amperage quick charge function, the ignition should never be ON, or turned ON, while charging. Attempting to start the vehicle, or turning the ignition ON, while using the high amperage quick charge could potentially damage the fuel pump control module. • Only turn the ignition ON when either the ESM or a technical service bulletin service procedure states to do so, and only while using a battery maintainer or smart charger set to reflash mode, or a similar setting. • Battery voltage should not exceed 16V during a reprograming operation.
- [ITB18\-022](/bulletins/10144485.md), 2018-09-17, Service bulletin: ELECTRICAL SYSTEM; ENGINE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 2014 ? 2017 Q50 HYBRID; ENGINE STOPS RUNNING IN EXTREMELY HOT AMBIENT TEMPERATURES AND DTC P3182 STORED IF YOU CONFIRM Engine stops running in extremely hot ambient temperatures \(greater than 110 degrees Fahrenheit\) and DTC P3182 HV BATTERY SYSTEM is stored. ACTION 1. Refer to step 14 in the SERVICE PROCEDURE to see if this bulletin applies to the vehicle you are working on. 2. If this bulletin applies, reprogram the Hybrid Powertrain Control Module \(HPCM\).
- [ITB09\-015h](/bulletins/10119210.md), 2017-10-15, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 12 VOLT BATTERY STORAGE AND MAINTENANCE FOR NEW VEHICLES IN RETAILER INVENTORY This bulletin has been amended throughout. Please discard all previous versions of this bulletin.
- [ITB09\-059D](/bulletins/10091381.md), 2017-02-13, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. "INTELLIGENT KEY BATTERY VOLTAGE CHECK AND REPLACEMENT THIS BULLETIN HAS BEEN SUPERSEDED BY ITB15\-026. INFINITI; SIGNAL TECH\-II INTELLIGENT KEY BATTERY TEST AND SIGNAL CHECK PLEASE DISCARD PREVIOUS VERSIONS OF THIS BULLETIN."
- [ITB15\-035](/bulletins/10074548.md), 2016-06-22, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SUMMARY TO BE PROVIDED ON A FUTURE DATE.

JSON: [/v1/bulletins/10091385](/v1/bulletins/10091385)

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