Nissan Sentra 2018 — technical service bulletin
Bulletin R1805 · NHTSA communication 10143282 · issued Jun 20, 2018
Technical service bulletin
communication type
Electrical System
component
2018
model years
1
vehicle entries
Official summary
ECM Reprogram Voluntary Emissions Service Campaign This bulletin applies only to vehicles equipped with SR or Nismo trim level packages. ***** Campaign Summary***** Nissan has reclassified the previously announced quality action (P8307) for new vehicle inventory as a Voluntary Emissions Service Campaign 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 853 specific 2018 Nissan Sentra (B17) SR and NISMO vehicles equipped with the MR16DDT engine. If a MCV malfunction occurred and was repaired, the
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.