Nissan Altima 2019–2020 — technical service bulletin
Bulletin NTB20-083 · NHTSA communication 10183977 · issued Nov 24, 2020
Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2019–2020
model years
2
vehicle entries
Official summary
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.
Vehicles covered
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.