{"nhtsa_id":10212514,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-05-31","date":"2021-06-23","document_id":"9004388","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EQUIPMENT; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL","mfr_system":null,"summary":"CLUSTER, Instrument Panel 1. MY2021 WL IPC has a stored fault for HUD IPC setting LOC with HUD U0158 and LVDS Cable with HUD B156D . This DTC goes to STORED when the vehicle goes from Logistics to customer mode. The only action to be performed in this instance is to clear the fault - there is no problem with the vehicle. Please do not replace the cluster or the HUD. 2. Cluster Map Display Becomes Frozen At Times When Using Navigation all the other screens in the cluster are functional. Customer can navigate to other screens in this condition. The owner complains that the navigation map display does not update on the cluster; screen is frozen. Technician may or may not be able to duplicate the condition. The vehicle is not setting any DTC?s for the issue. If the map display is frozen on the cluster, cycling the ignition will reset the cluster to allow proper operation. Do not replace any parts at this time, available parts in service will have the same condition. Engineering is currently researching the issue and will notify the field when updates become available.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10212514-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10212514-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10212514","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"instrument-cluster","name":"Instrument cluster","parent":"electrical"}],"codes":["B156D","U0158"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_jeep_grand-cherokee"]}],"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":[]}