{"nhtsa_id":10231801,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-02-13","date":"2023-01-26","document_id":"08-029-23","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING; BACK OVER PREVENTION; POWER TRAIN; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs). P061B-00 - Internal Control Module Torque Calculation Performance. NOTE: P061B-00 DTC may set after driving on snow/ice in 2WD and Traction Control System (TCS) turned off. P06A3-00 - Sensor Reference Voltage 9D9 Circuit/Open. P0697-00 - Sensor Reference Voltage 3 Circuit. Other software enhancement included with this update: On Board Fuel Consumption Monitoring Updates (China Only). **Customers may experience one or more of the following: Vehicle may not be able to enter electric mode driving while Fuel Oil Refresh Mode (FORM) is active. FORM staying on too long.** This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module (PIM) with the latest available software. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this HCP and AHCP update: Powertrain Control Module (PCM). Transmission Control Module (TCM). Battery Pack Control Module (BPCM). Integrated Dual Charging Module (IDCM)","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10231801-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10231801-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10231801","components":[{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"id":"lighting","name":"Lighting","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"backup-camera","name":"Backup camera","parent":"driver-assistance"}],"codes":["P061B","P0697","P06A3"],"topics":[],"vehicles":[{"make":"JEEP","model":"WRANGLER","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_jeep_wrangler"]}],"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":[]}