Service bulletin NTB21-037D

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)
Type	Service bulletin
NHTSA id	11006972
Published by NHTSA	2024-09-04
Manufacturer's number	NTB21-037D
Manufacturer's date	2024-08-15
NHTSA component	ELECTRICAL SYSTEM

NHTSA's summary

DTCS B2E4B-06, B2E60-06, B2E61-06 DISPLAYED AS CRNT IN THE TCU This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. IF YOU CONFIRM The customer experiences an issue with the NissanConnect® Service remote commands, AND Any of the following DTCs are displayed as CRNT in the Telematics Control Unit (TCU): • B2E4B-06 • B2E60-06 • B2E61-06 HINT: These DTCs are caused by an issue with a cloud-server that is related to the TCU. ACTION 1. Do NOT replace the TCU. Replacing the TCU will not resolve the concern. 2. Send an email to NTB21-037@Nissan-Usa.com. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.

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

B2E4B, B2E60, B2E61

Vehicles listed
NISSAN ARIYA	2023 to 2024
NISSAN PATHFINDER	2022, 2023, 2024
NISSAN ROGUE	2021, 2022, 2023, 2024
NISSAN SENTRA	2021, 2022, 2023, 2024

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
NTB25-030A	2025-10-21. Service bulletin. STEERING WHEEL SWITCH BUTTONS INOPERATIVE, STICKING, OR NOT CLICKING WHEN PRESSED IF YOU CONFIRM The customer states that any of the steering wheel switch buttons are inoperative, sticking, or not clicking when pressed. ACTION Follow the SERVICE PROCEDURE to: 1. Remove the steering wheel assembly. 2. Replace the switch assembly on the steering wheel assembly. HINT: The switch assembly includes switches for both sides of the steering wheel. 3. Reinstall the steering wheel assembly. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair. This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB25-014	2025-03-25. Service bulletin. REAR VIEW CAMERA IS INOPERATIVE OR "X" IS DISPLAYED WHEN SHIFTING INTO REVERSE IF YOU CONFIRM The Rear View Camera is inoperative or an "X" is displayed when shifting into reverse, AND There is corrosion at the Rear View Camera wiring harness connector D504 (Figure 2 on page 2). ACTION 1. Replace the Wiper Grommet Seal, the Rear Camera Harness, add Rear Camera Wiring Harness Dampers and, if there are signs of corrosion in the camera connector, the Camera. 2. Add Drain holes to the bottom of the rear door.
NTB19-042F	2025-02-25. Service bulletin. AUTOMATIC EMERGENCY BRAKING WARNING LIGHT BLINKING APPLIED SYSTEMS: Vehicles equipped with a lane camera (see Figure 1) SERVICE INFORMATION If the Automatic Emergency Braking (AEB) warning light or is blinking (but not illuminated steadily) or the customer states it is blinking, and there are no related DTCs, inspect the windshield. A blinking AEB warning light may occur under the following conditions: • When contamination or foreign material adhere to the lane camera viewing window on the windshield. • When driving while it is snowing or when frost forms on the lane camera viewing window on the windshield. • When the lane camera viewing window on the windshield is temporarily fogged up. Figure 1 Nissan Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are properly trained individuals who have the equipment, tools, safety instruction, and know-how to do a job properly and safely. NOTE: If you believe that a described condition may apply to a particular vehicle, DO NOT assume that it does. See your Nissan dealer to determine if this applies to your vehicle. HINT: o Refer to the applicable ESM for diagnosis if DTCs are present in the Laser/Radar, ICC/ADAS, or Lane Camera systems. o For further information: • Refer to the following pages. • Use the search keyword “blinking” in the ESM.
NTB19-033G	2025-02-25. Service bulletin. INTELLIGENT CRUISE CONTROL INOPERATIVE AND AEB/FEB WARNING LIGHT ON OR RADAR OBSTRUCTION MESSAGE DISPLAYED WITH DTC C1A16 OR C2582 IF YOU CONFIRM IMPORTANT: The purpose of ACTION (on the next page) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair. Nissan Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are properly trained individuals who have the equipment, tools, safety instruction, and know-how to do a job properly and safely. NOTE: If you believe that a described condition may apply to a particular vehicle, DO NOT assume that it does. See your Nissan dealer to determine if this applies to your vehicle. The customer states that the ICC stopped working while driving, OR The customer states that the AEB/FEB warning light is ON, or turned ON, while driving (Figure 1), OR The message “Unavailable Front Radar Obstruction” or “Forward Driving Aids Temporarily Disabled Front Sensor Blocked See Owner's Manual” has displayed while driving (Figure 2). AND DTC C1A16, C1A16-97, C2582, or C2582-97 is the ONLY DTC stored. Figure 1 Figure 2 This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. Forward Driving Aids Temporarily Disabled Front Sensor Blocked See Owner’s Manual
NTB25-007	2025-02-10. Service bulletin. MIL ON WITH DTC P0196 STORED IN THE ECM IF YOU CONFIRM The MIL is ON with DTC P0196 for “EOT SENSOR” stored in the ECM. HINT: DTC P0012 for “INTAKE VALVE TIMING CONTROL B1” may be stored along with P0196 for “EOT SENSOR”. ACTION Follow the SERVICE PROCEDURE in this bulletin to diagnose DTC P0196 for “EOT SENSOR”. • Disregard P0012 if stored along with P0196. • Do not follow the service information in the ESM when diagnosing P0196. • The ESM information will be updated at a later date.
NTB21-040B	2025-01-30. Service bulletin. DTCS B2740-87, B2744-87, AND/OR B274D-87 STORED IF YOU CONFIRM Any of the following DTCs are stored: • B2740-87 (TCU) • B2744-87 (BCM) • B274D-87 (Combination Meter) ACTION Follow the SERVICE PROCEDURE to reprogram the Sonar Control Unit, if applicable. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.
NTB23-032B	2024-09-18. Service bulletin. HVAC BLOWER DOES NOT OPERATE ON COLD STARTS APPLIED VEHICLES: 2021-2023 Rogue (T33) APPLIED DATES: VINs starting with 5N1 – built before November 22, 2022 VINs starting with JN8 – All IF YOU CONFIRM The HVAC blower does not operate during vehicle cold starts, AND The HVAC blower will start to operate when the A/C is toggled OFF and ON. ACTION Follow the SERVICE PROCEDURE to: 1. Confirm the current A/C Amplifier part number. 2. Follow steps 17 and 18 on page 8 to determine if the A/C Amplifier will be replaced, can be reprogrammed, or if this bulletin does not apply. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.
NTB24-016A	2024-09-04. Service bulletin. DTC P161F FOR IMMOBILIZER CODE STORED IN ECM WITH VEHICLE NO-START CONDITION APPLIED VEHICLES: APPLIED DATES: 2022-2023 Pathfinder (R53) Built on or before October 17, 2022 IF YOU CONFIRM The vehicle cranks but will not start, and DTC P161F for “IMMOBILIZER” is stored in the ECM. ACTION Follow the SERVICE PROCEDURE in this bulletin to reprogram the ECM, if applicable. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.
NTB23-031A	2024-09-04. Service bulletin. DTC B2E1B-06 (AUTOMATIC ECALL) STORED AS CURRENT IN THE IVC APPLIED VEHICLES: 2021-2022 Armada (Y62) 2022-2023 Frontier (D41) 2023 Kicks (P15) 2021-2023 Maxima (A36) 2022-2023 Pathfinder (R53) 2021, 2023 Rogue (T33) 2022-2023 Sentra (B18) 2020-2021, 2023 Titan/Titan XD (A61) 2023 Versa (N18) AMENDMENT HISTORY PUBLISHED DATE REFERENCE DESCRIPTION April 6, 2023 NTB23-031 Original bulletin published July 22, 2024 NTB23-031A Bulletin no longer active This bulletin is no longer active. Please discard previous versions of NTB23-031.
NTB21-115B	2024-09-04. Service bulletin. FALSE ACTIVATION OF AEB OR FCW APPLIED VEHICLES: 2021-2022 Altima (L34) 2022-2023 Frontier (D41) 2020-2022 Sentra (B18) APPLIED DATES: Altima: All Frontier: All Sentra: Built on or before March 10, 2022 APPLIED SYSTEMS: Automatic Emergency Braking/Forward Collision Warning IF YOU CONFIRM The customer states they have experienced false activation and/or unexpected braking of the Automatic Emergency Braking (AEB) or Forward Collision Warning (FCW) system, AND There are no related DTCs stored. ACTION 1. Confirm the current ICC/ADAS 2 part number. 2. Reprogram the ICC/ADAS 2, if applicable. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.