{"nhtsa_id":10231923,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-02-21","date":"2023-01-24","document_id":"TSB230012","mfr_campaign":null,"replaces":null,"component":"BACK OVER PREVENTION","mfr_system":null,"summary":"This technical service bulletin was issued for Symptom: ?Cycle the key switch? message appears immediately, and test will not display any results when technician performs Aftertreatment Intake NOx Sensor Test or Aftertreatment Outlet NOx Sensor Test. Fault Codes: 1885;1887;3583;3649;3748;3749;5655;6459;6463 Root Cause: ECM calibration code issue Verification: Compare the ECM code and revision number in the ECM to the calibration revision listed in the ECM calibration revision history for applicable changes. Resolution: If an ECM calibration code update for improvement to NOx Sensor Service Test, the ECM calibration revision must be that revision or higher.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10231923-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10231923-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10231923","components":[{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"backup-camera","name":"Backup camera","parent":"driver-assistance"}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"B","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"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.","attribution":[]}