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Service bulletin NTB18-045b

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 id10145516
Published by NHTSA2018-10-15
Manufacturer's numberNTB18-045b
Manufacturer's date2018-09-28
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's summary

2011-2015 LEAF; 12 VOLT BATTERY LOSES CHARGE AND/OR TELEMATICS SERVICES DO NOT WORK This bulletin applies only to vehicles equipped with a 3G Telematics Control Unit. This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

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, 12-volt battery

Vehicles listed
NISSAN LEAF2011, 2012, 2013, 2014, 2015

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
P9312 LEAF Autom2019-08-12. Service bulletin. 2011?2019 LEAF Lithium?ion Battery Bonding Plate Voluntary Service Campaign Automatic Parts Shipment
NTB18-045a2018-12-10. Service bulletin. 2011-2015 LEAF; 12 VOLT BATTERY LOSES CHARGE AND/OR TELEMATICS SERVICES DO NOT WORK This bulletin applies only to vehicles equipped with a 3G Telematics Control Unit. This bulletin has been amended. The CLAIMS INFORMATION section has been revised. No other changes have been made. Please discard previous versions of this bulletin.
NTB15-077b2018-12-03. Service bulletin. NISSAN; SIGNAL TECH-II INTELLIGENT KEY BATTERY TEST AND SIGNAL CHECK This bulletin has been amended. See Amendment History on the last page. Please discard previous versions of this bulletin.
NTB18-0452018-08-06. Service bulletin. 2011-2015 LEAF; 12 VOLT BATTERY LOSES CHARGE AND/OR TELEMATICS SERVICES DO NOT WORK This bulletin applies only to vehicles equipped with a 3G Telematics control unit. IF YOU CONFIRM The 12 V battery continuously loses its charge and/or Remote Telematics services do not work. NOTE: DTCs P3131 (SYSTEM SHUTOFF ERROR) and/or P31C2 (TCU) may be found stored. ACTION 1. Refer to page 2, step 2 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle being worked on. 2. If this bulletin applies, reprogram the Telematics control unit (TCU).
NTB17-0382017-08-01. Service bulletin. 2011-2017 LEAF; LABEL REQUIRED FOR BATTERY MODULE WARRANTY RETURN SERVICE INFORMATION LEAF battery modules that are replaced under warranty are required to have a return label affixed to the module being returned, with the repair date recorded on it. See Figure 1. The return label is included with the new replacement battery module.
NTB14-059c2017-08-01. Service bulletin. 2011-2017 LEAF; REPLACEMENT HIGH VOLTAGE BATTERY PACK This bulletin has been amended. The Parts Information has been revised. No other changes have been made. Please discard previous versions of this bulletin.
NTB-14-059-A2015-12-01. Service bulletin. NISSAN: ON SOME VEHICLES, THE HIGH VOLTAGE BATTERY PACK WOULD NEED TO BE REPLACED AND NOT REQUIRE ADDITIONAL PARTS AND ON OTHER VEHICLES, HIGH VOLTAGE BATTERY PACK CAN BE RETROFITTED USING ADDITIONAL PARTS. MODEL 2011-15 LEAF. *PE
NTB-13-0692013-08-08. Service bulletin. NISSAN: THE HV BATTERY CHARGER WILL NOT CHARGE OR WILL NOT FULLY CHARGE. STORED DTCS P316C, P3170, P3171, AND B29C1. *JS
NTB-13-0612013-07-10. Service bulletin. NISSAN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON SOME VEHICLES, TO IMPROVE THE ACCURACY OF BATTERY CAPACITY LEVEL GAUGE, THE LITHIUM ION BATTERY CONTROLLER IS REPROGRAMMED AND IS INTENDED TO EXPAND ON BOARD CHARGER AND NUMBER OF COMPATIBLE CHARGERS. MODELS 2011-2012 LEAF. *PE