{"nhtsa_id":11029756,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-05","date":"2026-02-26","document_id":"18-027-26","mfr_campaign":null,"replaces":null,"component":"ENGINE; POWER TRAIN","mfr_system":null,"summary":"Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, SYMPTOM: a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● **P152F - Engine Hood Switch 2 / Engine Hood Switch 1 Correlation.** ● U0418-00 - Implausible Data Received From Brake System Control Module 1. ● P061A - Level 2 Torque Performance. Customers may also experience one or more of the following: ● **Engine Stop/Start (ESS) is inoperable.** ● Battery depletes. ● Rough shifting while driving. ● Driveline bumps and rumbles when lightly applying the accelerator pedal in traffic or at other low vehicle speeds such as parking lot maneuvers. ● Transmission hard upshifts, rough/bump during low gear 1-2 and 2-3 at 40-64 kph (25-40 mph). This bulletin involves reprogramming the PCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029756-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029756-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029756","components":[{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P061A","P152F","U0418"],"topics":[],"vehicles":[{"make":"CHRYSLER","model":"PACIFICA","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_chrysler_pacifica"]},{"make":"CHRYSLER","model":"VOYAGER","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_chrysler_voyager"]}],"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":[]}