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Service bulletins for the 2020 Nissan Altima

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.

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

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
NTB23-018G2024-03-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin is no longer active. To access infotainment software updates via the Infotainment Software Update Utility: Select SPECIALTY TOOLS, and then select Infotainment Software Updates on the left side of ASIST. Please discard previous versions of NTB23-018.
NTB23-018F2024-02-08. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin is no longer active. To access infotainment software updates via the Infotainment Software Update Utility: Select SPECIALTY TOOLS, and then select Infotainment Software Updates on the left side of ASIST. HINT: Initially, the Infotainment Software Update Utility will be available only on the CONSULT PC version of ASIST. The Utility will be added to ASIST WEB at a later date. Please discard previous versions of NTB23-018.
NTB20-080D2024-02-08. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY below. Please discard previous versions of this bulletin.
NTB23-018E2023-09-09. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB23-018D2023-09-09. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB23-018C2023-05-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB20-080C2023-05-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY below. Please discard previous versions of this bulletin.
NTB23-018B2023-04-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB23-018A2023-04-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB23-0182023-04-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES SERVICE INFORMATION When diagnosing an infotainment issue or after replacement of the AV Control Unit, it is necessary to verify the current software version of the AV Control Unit to determine if a software version update is required. Use the vehicle tables in this bulletin to determine the current software version, if the AV Control Unit requires a software version update, and which procedure to use to update the AV Control Unit. The software updates in this bulletin are to address stability improvements and “bug” fixes. IMPORTANT: If the customer is experiencing a software related concern, refer to NTB21-038 to verify if the customer concern is a hardware or software related issue. If the concern is a software related issue, review the information in this bulletin to update the AV Control Unit as needed.
NTB10-029G2022-05-20. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN. NISSAN AWD MODELS; ABNORMAL NOISE, VIBRATION AND/OR JUDDER FROM REAR DIFFERENTIAL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB21-034A2021-09-09. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM. AC INOPERATIVE WITH DTC B20C8-14 STORED IN THE IPDM E/R This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB21-0342021-05-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 2019-2021 ALTIMA AND 2021 ROGUE; AC INOPERATIVE WITH DTC B20C8-14 STORED IF YOU CONFIRM The AC compressor is not engaging when the AC is in the ON position as indicated by the yellow illumination on the AC button, And DTC B20C8-14 ECV (ELECTRICAL CONTROL VALVE) is stored in the IPDM. SERVICE PROCEDURE 1. Clear the DTC, and follow the DTC CONFIRMATION PROCEDURE in the ESM. • If DTC B20C8-14 is past, AC compressor operation is inhibited until the DTC is cleared. • If DTC B20C8-14 returns after being cleared (either Current or Past status), follow the ESM diagnosis procedure. • For models with Automatic Air Conditioning, go to section: VENTILATION, HEATER & AIR CONDITIONER > HEATER & AIR CONDITIONING CONTROL SYSTEM > AUTOMATIC AIR CONDITIONING > DTC/CIRCUIT DIAGNOSIS > B20C8-14 ECV (ELECTRICAL CONTROL VALVE). • For models with Manual Air Conditioning, go to section: VENTILATION, HEATER & AIR CONDITIONER > HEATER & AIR CONDITIONING CONTROL SYSTEM > MANUAL AIR CONDITIONING > DTC/CIRCUIT DIAGNOSIS > B20C8-14 ECV (ELECTRICAL CONTROL VALVE).
NTB21-0132021-03-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; POWER TRAIN. PREVENT FRONT AXLE THREAD DAMAGE DURING NUT REMOVAL SERVICE INFORMATION If an Applied Vehicle needs to have a front axle nut removed, for any reason, the staking of the nut into the axle keyway must first be removed. The essential tool (part number # J-52982, Figure 1) required to remove the nut staking, is called out as a “Cape Chisel” in the Electronic Service Manual (ESM), and must be used to prevent thread damage to the axle (see Figure 2 on page 2). • The Cape Chisel arrived at dealers in December of 2020. • Damaged threads, due to improper removal of the stake placed in the nut, will not be covered by warranty. For information on using the Cape Chisel, refer to the Electronic Service Manual (ESM): Section TRANSMISSION & DRIVELINE > FRONT AXLE > REMOVAL AND INSTALLATION > FRONT DRIVE SHAFT > LH/RH.
NTB20-083A2021-03-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING. 2019-2020 ALTIMA; DTC P2015 OR P2004 STORED DURING COLD WEATHER This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB20-048a2021-03-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. 2020 ALTIMA; BLIND SPOT WARNING AND/OR REAR CROSS TRAFFIC ALERT NOT FUNCTIONING PROPERLY This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB20-046d2021-03-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. VOLUME KNOB DOES NOT FUNCTION PROPERLY This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB20-0832020-12-09. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. 2019-2020 ALTIMA; DTC P2015 OR P2004 STORED DURING COLD WEATHER IF YOU CONFIRM The customer stated that the MIL was on after starting the engine in cold weather, below 0°F. And DTC P2015 (INTAKE MANIFOLD RUNNER CONTROL VALVE POSITION SENSOR) and/or DTC P2004 (INTAKE MANIFOLD RUNNER CONTROL VALVE) are stored in the ECM. DTC status is either current or past. And No problem is found after performing the DTC diagnosis per the Electronic Service Manual (ESM). ACTION Replace the intake manifold.
NTB20-0802020-12-09. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES SERVICE INFORMATION When diagnosing an infotainment issue, always confirm that the latest software is installed in the AV control unit before starting the diagnosis. The software update in the following service procedure is to address the items below: • Stability improvements and “bug” fixes. • Android Auto skips while playing music. Refer to steps 1 - 4 to confirm that this bulletin applies. HINT: The update-software only needs to be downloaded once and then can then be used on multiple vehicles until other infotainment software is loaded onto the USB drive to overwrite the original data.
NTB20-0762020-11-09. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. 2021 ALTIMA WITH PR25DD ENGINE; NO ENGINE COVER SERVICE INFORMATION The APPLIED VEHICLE is not equipped with an engine cover. DO NOT file a warranty claim for a missing engine cover.
NTB20-0642020-10-08. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. ALTIMA WITH PR25DD ENGINE; DTC P0015 STORED IF YOU CONFIRM DTC P0015 (B camshaft position B1) is stored NOTE: The MIL may or may not be ON. And Diagnosis has determined the exhaust valve timing control solenoid valve is the cause. ACTION Replace the exhaust valve timing control solenoid valve. NOTE: The exploded views in the 2019 and 2020 Altima ESM may incorrectly label the exhaust valve timing control solenoid valve and the exhaust valve timing intermediate lock control solenoid valve. The exhaust valve timing control solenoid valve is positioned below the exhaust valve timing intermediate lock control solenoid valve on the front cover.
NTB20-0562020-09-11. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; ENGINE. MIL ON WITH P0101 STORED IF YOU CONFIRM The MIL is ON and DTC P0101 (MAF SEN/CIRCUIT-B1) is stored in the ECM, AND There are no drivability concerns.
NTB20-046c2020-09-11. Service bulletin. ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. VOLUME KNOB DOES NOT FUNCTION PROPERLY This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB20-046b2020-09-11. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS. VOLUME KNOB DOES NOT FUNCTION PROPERLY This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB20-0482020-08-09. Service bulletin. ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS; EQUIPMENT. 2020 ALTIMA; BLIND SPOT WARNING AND/OR REAR CROSS TRAFFIC ALERT NOT FUNCTIONING PROPERLY IF YOU CONFIRM • The customer states the Blind Spot Warning indicator does not illuminate while driving when there is a vehicle in one of the detection zones (outlined in green in Figure 1). Or • The customer states the Rear Cross Traffic Alert indicator does not illuminate while in reverse and a car is approaching the side of the vehicle near the rear bumper. Or • Unavailable Side Radar Obstruction is displayed in the Vehicle Information Display. HINT: DTC C1E11-97 or C1E91-97 (SENSOR BLOCKAGE, SOW DETECTS A BLOCKAGE) may be stored as a past DTC. If any DTCs other than C1E11-97 or C1E91-97 are stored, diagnose those DTCs before proceeding with this bulletin. ACTION 1. Confirm the current ICC/ADAS 2 part number. 2. Reprogram the ICC/ADAS 2 and perform the blind spot warning action test, if applicable.

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