{"source":"NHTSA vehicle owner complaint","officialApiUrl":"https://api.nhtsa.gov/complaints/odinumber?odinumber=11767407","retrievedAt":"2026-11-05T05:20:35.640Z","count":1,"results":[{"odiNumber":11767407,"manufacturer":"Chrysler (FCA US, LLC)","crash":false,"fire":false,"numberOfInjuries":0,"numberOfDeaths":0,"dateOfIncident":"09/18/2026","dateComplaintFiled":"09/28/2026","vin":"2C4RC1S71MR","components":"ELECTRICAL SYSTEM,FUEL/PROPULSION SYSTEM","summary":"Vehicle is a 2021 plug-in hybrid minivan within the population of an open safety recall for internal high-voltage battery failure that can result in fire, including while parked and not charging. The recall remedy, performed at a dealer, consisted of a battery control module software update intended to detect the defect, plus battery pack inspection and replacement if flagged.  Approximately six weeks after the recall remedy was performed, the malfunction indicator lamp illuminated. Scan of the hybrid battery controller returned two stored codes: P1D43 (internal control module shut-off test monitoring time error) and U029A (lost communication with hybrid battery pack sensor module). U029A indicates the battery controller cannot communicate with the module that monitors individual cell voltages and temperatures. The engine and transmission controllers returned no codes.  There were no drivability symptoms at any point. The pack charged fully and delivered normal electric range before and after the codes appeared.  The dealer diagnosed the condition and the manufacturer approved a high-voltage battery pack replacement. Approximately 24 hours later the manufacturer rescinded that approval and instructed the dealer to clear the codes and return the vehicle to service to see whether the codes reappear. The dealer stated it had not seen an approved claim reversed in this manner. The dealer reports being unable to reproduce the codes after clearing; the duration and conditions of that retest have not been provided.  I have requested the engineering findings and the basis for the reversal in writing and was told they are proprietary. The manufacturer has not provided the retest parameters.  My concern is that the vehicle is being returned to service with a documented fault in the high-voltage battery monitoring system, on a platform subject to an open fire-risk recall, without the basis for that decision being disclosed.","products":[{"type":"Vehicle","productYear":"2021","productMake":"CHRYSLER","productModel":"PACIFICA","manufacturer":"Chrysler (FCA US, LLC)"}]}]}