{"nhtsa_id":11021826,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-08-13","date":"2025-08-06","document_id":"08-242-25","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Park Assist Module (PAM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● B128E-25 - PTS Sensor 1-Signal Shape/Waveform Failure. ● B128F-25 - PTS Sensor 2-Signal Shape/Waveform Failure. ● B1290-25 - PTS Sensor 3-Signal Shape/Waveform Failure. ● B1291-25 - PTS Sensor 4-Signal Shape/Waveform Failure. ● B1292-25 - PTS Sensor 5-Signal Shape/Waveform Failure. ● B1293-25 - PTS Sensor 6-Signal Shape/Waveform Failure. ● B1295-25 - PTS Sensor 8-Signal Shape/Waveform Failure. ● B1296-25 - PTS Sensor 9-Signal Shape/Waveform Failure. ● B1297-25 - PTS Sensor 10-Signal Shape/Waveform Failure. ● B1298-25 - PTS Sensor 11-Signal Shape/Waveform Failure. ● B1299-25 - PTS Sensor 12-Signal Shape/Waveform Failure. **Customers must experience one or more of the following:** ● **Park Assist is inoperative.** ● False braking alerts while backing up when there’s nothing behind the vehicle. ● When backing up, the park assist feature will apply the brakes when no object is behind the vehicle. This bulletin involves updating the PAM module with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021826-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021826-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11021826","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["B128E","B128F","B1290","B1291","B1292","B1293","B1295","B1296","B1297","B1298","B1299"],"topics":[],"vehicles":[{"make":"RAM","model":"1500","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_ram_1500"]}],"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":[]}