{"nhtsa_id":10229899,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-17","date":"2014-12-15","document_id":"0900214a","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"MIL Illumination: P0300, P0302, P0304 or P0306 (X56 Warranty Extension) This bulletin involves checking for excessive cylinder leakage and replacing the cylinder head if necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that any the following Diagnostic Trouble Codes have been set: P0300- Multiple Cylinder Misfire P0302- Cylinder 2 Misfire P0304- Cylinder 4 Misfire P0306- Cylinder 6 Misfire","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10229899-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10229899-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10229899","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0300","P0302","P0304","P0306"],"topics":[],"vehicles":[{"make":"CHRYSLER","model":"200","year_from":2011,"year_to":2013,"match":"exact","vehicle_ids":["2011_chrysler_200","2012_chrysler_200","2013_chrysler_200"]},{"make":"CHRYSLER","model":"300","year_from":2011,"year_to":2013,"match":"exact","vehicle_ids":["2011_chrysler_300","2012_chrysler_300","2013_chrysler_300"]},{"make":"DODGE","model":"CHARGER","year_from":2011,"year_to":2013,"match":"exact","vehicle_ids":["2011_dodge_charger","2012_dodge_charger","2013_dodge_charger"]},{"make":"DODGE","model":"GRAND CARAVAN","year_from":2011,"year_to":2013,"match":"exact","vehicle_ids":["2011_dodge_grand-caravan","2012_dodge_grand-caravan","2013_dodge_grand-caravan"]},{"make":"DODGE","model":"JOURNEY","year_from":2011,"year_to":2013,"match":"exact","vehicle_ids":["2011_dodge_journey","2012_dodge_journey","2013_dodge_journey"]},{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2011,"year_to":2013,"match":"exact","vehicle_ids":["2011_jeep_grand-cherokee","2012_jeep_grand-cherokee","2013_jeep_grand-cherokee"]},{"make":"JEEP","model":"WRANGLER","year_from":2012,"year_to":2013,"match":"exact","vehicle_ids":["2012_jeep_wrangler","2013_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":[]}