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RecallGazette

Vehicle problems, recalls & safety intelligence

Nissan Altima 2016–2021technical service bulletin

Bulletin NTB21-027 · NHTSA communication 10191942 · issued Apr 1, 2021

Technical service bulletin
communication type
Engine and Engine Cooling
component
2016–2021
model years
38
vehicle entries

Official summary

MIL ON WITH DTC P062F AND/OR P0603 STORED IF YOU CONFIRM The MIL is ON and DTC P062F (EEPROM) and/or P0603 (ECM BACK UP/CIRCUIT) is stored, And The customer stated the vehicle was recently started after sitting for an extended period of time (i.e., the battery voltage was low while attempting to start the engine). ACTION 1. Test the vehicleâ s 12 volt battery using the Midtronics DSS-5000. Recharge or replace the battery if necessary. 2. Erase all DTCs.

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.