{"nhtsa_id":10206140,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-01-06","date":"2021-12-15","document_id":"KC-252","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING; EXTERIOR LIGHTING:HEADLIGHTS:SWITCH; EXTERIOR LIGHTING:HEADLIGHTS:DAYTIME RUNNING LIGHTS:BULBS","mfr_system":null,"summary":"Mack Chassis - Daytime Running Lights ( DRL ) Module; Fault Code MID 144 PSID 40 Daytime Running Light Relay - Model Years Prior To 2018","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10206140-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10206140-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10206140","components":[{"id":"lighting","name":"Lighting","parent":null},{"id":"headlight","name":"Headlights","parent":"lighting"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"MACK","year_from":1994,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"MACK","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]}],"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":[]}