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: Wiring and fuses are shown. Show all
| NTB22-020 | 2022-05-20. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS. SERVICE INFORMATION FOR BRAKE SWITCH ADJUSTMENT FOR DTC C1142 AND/OR C1116 STORED SERVICE INFORMATION DTC C1142 (PRESS SEN CIRCUIT) and/or C1116 (STOP LAMP SW) may be stored if the Stop Lamp Switch and/or the Brake Pedal Position Switch are out of adjustment. Before replacing any components for DTCs C1142 (PRESS SEN CIRCUIT) and/or C1116 (STOP LAMP SW), stored as past or current, confirm that the Stop Lamp Switch and the Brake Pedal Position Switch are properly adjusted. If either the Stop Lamp Switch and/or the Brake Pedal Position Switch are found to be out of adjustment, adjust them as per the ESM, and then clear the DTCs and perform DTC confirmation. • Refer to the ESM: BRAKES > BRAKE SYSTEM > PERIODIC MAINTENANCE > BRAKE PEDAL > Adjustment |
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| NTB20-046c | 2020-09-11. 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. |
| NTB20-046b | 2020-09-11. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.