{"nhtsa_id":10112309,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2013-12-05","document_id":"PIC5943","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM","mfr_system":null,"summary":"This Preliminary Information communication provides information to the technician about vehicles that have no heat in EV electric mode Technician will find a Diagnostic Trouble Code B101D in the Coolant Heater Control Module. Technician will need to check the coolant heater control module for proper operation. If the Diagnostic Trouble Code B101D is set replace the Coolant Heater Control Module.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10112309-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10112309-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10112309","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":["B101D"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"VOLT","year_from":2013,"year_to":2014,"match":"exact","vehicle_ids":["2013_chevrolet_volt","2014_chevrolet_volt"]}],"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":[]}