Nissan Sentra 2018 — technical service bulletin
Bulletin P8307 · NHTSA communication 10139450 · issued Apr 5, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018
model years
1
vehicle entries
Official summary
ECM Reprogram Dealer Inventory This bulletin applies only to vehicles equipped with 1.6L engine (SR and NISMO trim levels). *****Dealer Announcement***** Nissan is conducting a quality action to update the Engine Control Module (ECM) software to prevent permanent storage of a DTC as a result of a Multiway Control Valve (MCV) malfunction on 1,013 specific 2018 Nissan Sentra (B17) SR and NISMO vehicles equipped with the MR16DDT engine. If a MCV malfunction occurred and was repaired, the current ECM logic will allow a technician to reset the Malfunction Indicator Lamp (MIL), but the DTC will rema
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.