To assist customers who are deaf, hard of hearing, or speech-impaired and who use Text Telephones (TTYs), Chevrolet has TTY equipment available at its Customer Assistance Center. Any TTY user in the U.S. can communicate with Chevrolet by dialing: 1-800-833-2438. TTY users in Canada can dial 1-800-263-3830.
Customer Assistance
OfficesSpecial Tools (Diagnostic Tools) Engine Control
IllustrationTool Number/DescriptionCH-34730-2CJ-34730-2CInjector Test LampCH-38641-BJ-38641-BDiesel Fuel Quality TesterCH-39021-301J-39021-301Fuel Injector Harness AdapterCH-39021-460J-39021-460Fuel Injector Test AdapterCH-41415-30GE-41415-30J-41415-30Fuel Tank Cap AdapterCH-42960-2J-42960-2Fuel Fla ...