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Service bulletins for the 2012 Nissan Leaf

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.

129 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
NTB11-088c2020-08-09. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. A/V CONTROL UNIT EXCHANGE AND MAP SD CARD REPLACEMENT This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB14-059d2020-02-08. Service bulletin. ELECTRICAL SYSTEM. 2011-2016 LEAF; 24 KWH HIGH VOLTAGE REPLACEMENT BATTERY PACK This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB19-0742019-10-09. Service bulletin. ELECTRICAL SYSTEM. 2011-2012 LEAF; 24 KWH TYPE 1 BATTERY PACK GASKET INSPECTION SERVICE INFORMATION When servicing a 24 kWh Type 1 battery pack, the gasket between the upper and lower cases should be reused/reinstalled, unless it is visually damaged and/or fails the air leak inspection. • Only replace the battery pack case gasket when necessary. • To confirm that the battery pack case is air tight, follow the 24 kWh Service Procedure Inspection instructions, for air leak inspection, starting on page 2. NOTE: This bulletin does not apply to service replacement battery packs that are sealed with a liquid urethane adhesive.
NTB19-0712019-10-09. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. DTC B00A0-00 STORED IF YOU CONFIRM DTC B00A0-00 (OCCUPANT DETECTION SENSOR UNIT) is stored And OCS zero point reset cannot be performed (continued on the next page) And The following screen displays: ACTION 1. Check the Occupant Classification System (OCS) control unit using the ODS Analysis tool software. • Refer to SERVICE PROCEDURE on page 5. HINT: “OCS” may also be referred to as “ODS”. 2. Perform “75-zero RESET”.
P9312 LEAF Autom2019-08-12. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 2011?2019 LEAF Lithium?ion Battery Bonding Plate Voluntary Service Campaign Automatic Parts Shipment
NTB19-055a2019-08-12. Service bulletin. ELECTRICAL SYSTEM. VOLUNTARY SERVICE CAMPAIGN 2011-2019 LEAF; LITHIUM-ION BATTERY BONDING PLATES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB19-0552019-08-12. Service bulletin. ELECTRICAL SYSTEM. VOLUNTARY SERVICE CAMPAIGN 2011-2019 LEAF; LITHIUM-ION BATTERY BONDING PLATES This bulletin applies to 2018-2019 vehicles equipped with a 40kWh lithium-ion battery. INTRODUCTION Nissan is conducting this voluntary service campaign on certain specific model year 2011-2019 LEAF vehicles to replace the Lithium-Ion battery bonding plates. This service will be performed at no charge to the customer for parts or labor. IDENTIFICATION NUMBER Nissan has assigned identification number P9312 to this campaign. This number must appear on all communication and documentation of any nature dealing with this campaign. DEALER RESPONSIBILITY Dealers are to repair vehicles falling within range of this campaign that enter the service department. This includes vehicles purchased from private parties, vehicles presented by transient (tourists) owners, and vehicles in a dealer?s inventory.
NTB18-045a2018-12-10. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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.
NTB18-045b2018-10-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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.
NTB18-0452018-08-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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).
NTB18-0452018-07-30. Service bulletin. ELECTRICAL SYSTEM. 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).
P73322017-10-25. Service bulletin. ELECTRICAL SYSTEM. Disabling the 2G TCU Voluntary Service Campaign ***** Campaign Summary***** Nissan is conducting a Voluntary Service Campaign on certain specific 2011-2015 LEAF vehicles to disable (turn off) the 2G Telematics Control Unit (?2G TCU?). The subject LEAF vehicles are equipped with Continental GEN1 TCU devices transmitting at 2/2.5G (GSM/GPRS/UMTS) frequencies and are designed to work with 2G cellular service. The 2G cellular service is no longer active in the United States. The subject 2G TCUs are no longer connected to telematics services and no longer perform any function in the affected vehicles. This campaign is being performed out of abundance of caution to help safeguard against potential cybersecurity issues. - All eligible vehicles that enter the service department for any reason should have the subject 2G TCU deactivated. This campaign will be performed at no charge to the customer for parts or labor. - Vehicles that have been upgraded to 3G TCUs are not subject to this campaign. - For customers interested in the 3G TCU upgrade as opposed to deactivation, please refer to NTB17-015 (PC449 or PC450). ***** What Dealers Should Do ***** 1. Verify if vehicles are affected by this Voluntary Service Campaign using Service Comm I.D. P7332. 2. Dealers are requested to remedy any affected vehicles in dealer new or pre-owned inventory to ensure customer satisfaction. 3. Dealers should use NTB17-077 to disable the 2G TCU, for any vehicles subject to this campaign.
NTB17-0772017-10-15. Service bulletin. ELECTRICAL SYSTEM. VOLUNTARY SERVICE CAMPAIGN 2011-2015 LEAF; 2G TELEMATICS HARDWARE DEACTIVATION INTRODUCTION Nissan is conducting a Voluntary Service Campaign (in the U.S. ONLY) on certain specific 2011-2015 LEAF vehicles equipped with 2G Telematics Hardware to disable the 2G Telematics Control Unit (TCU). The 2G cellular service is no longer active in the United States and the subject TCUs are no longer connected to telematics services (Nissan Connect EVTM) and no longer perform any function in the affected vehicles. This campaign is being performed out of abundance of caution to help prevent potential cybersecurity issues. - Applied vehicles equipped with the 2G Telematics Control Unit (TCU) that enter the service department for any reason should have the subject TCU deactivated. This campaign will be performed at no charge to the customer for parts or labor. - For customers interested in the TCU update as opposed to deactivation, please refer to NTB17-015. IDENTIFICATION NUMBER Nissan has assigned identification number P7332 to this campaign. This number must appear on all communications and documentation of any nature dealing with this campaign. DEALER RESPONSIBILITY Dealers are to repair vehicles falling within range of this campaign that enter the service department. This includes vehicles purchased from private parties, vehicles presented by transient (tourists) owners, and vehicles in a dealer?s inventory.
NTB17-0382017-08-01. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. 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. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. 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. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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-13-1052013-12-20. Service bulletin. ELECTRICAL SYSTEM. NISSAN: PEP CHARGING STATIONS IN OPERATIONS BUT NOT IN COMPLIANCE WITH ALL SAE J1772 STANDARD SPECIFICATIONS FOR ERROR FREE CHARGING THAT FAILS TO START AND EV WARNING LIGHT ILLUMINATES (DTC P3171, P3170, P316C FOR PD MODULE SYSTEM) OR CHARGING BEGINS AND COMPLETE TO 100% BUT P3171, 03170, P316C PD MODULE SYSTEM WILL SET AND PREVENT CHARGING. MODEL 2011-2013 LEAF. *PE
NTB-13-0612013-07-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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
NTB-11-041-B2013-01-25. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. NISSAN: ON SOME VEHICLES TELEMATICS SIGNAL OR CONNECTION WAS PREVIOUSLY OPERATIONAL AND NOW NO SYMBOL OR TELEMATICS SYMBOL, INDICATING NO CONNECTION OR SIGNAL IS PRESENT. MODEL 2011-2012 LEAF. *PE
NTB-11-074-B2012-07-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. NISSAN: INFORMATION IS BEING PROVIDED FOR REPROGRAMMABLE ECU ON ALL NISSAN VEHICLES. *PE
NTB-12-0152012-03-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. NISSAN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON CERTAIN VEHICLES, AN UPDATED COMPLIMENTARY SOFTWARE AND VEHICLE OWNER'S MANUAL HAS BEEN ISSUED. ADDED IS INFORMATION ON AN ALERT DESIGNED FOR DRIVER'S DOOR IN ON OR READY MODE. *PE
NTB-12-0132012-03-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. NISSAN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. CERTAIN MODEL YEAR VEHICLES ARE RECEIVING NEW OWNER'S MANUAL AND ALSO AN UPDATED SOFTWARE WITH ALERT DESIGNED FOR DRIVER'S DOOR. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.