What does OnStar C002 mean?
2 Answers
OnStar C002 indicates a fault, possibly due to poor network connection. Here is some knowledge about OnStar: 1. Milestone: One of OnStar's parent companies, OnStar LLC in the United States, is a wholly-owned subsidiary of General Motors and a leading global provider of in-vehicle safety, security, and communication services. Many models produced by General Motors are equipped with this system. In terms of vehicle safety and information services, OnStar primarily uses wireless technology and GPS satellites to provide comprehensive wireless services to vehicles. 2. Operation and Use: The On-Star hardware system is pre-installed at the factory, with the control panel typically located on the vehicle's ceiling or rearview mirror. It is very simple to use: pressing the ON button on the panel connects the system to the On-Star response center, allowing users to receive the assistance they need via voice communication.
I've worked in an auto repair shop for over a decade and often see car owners coming to me with OnStar system malfunctions. The C002 error code typically indicates a communication connection failure, which could be caused by low battery voltage, a damaged signal module, or a loose antenna. Once, my own Chevrolet had a similar issue where the C002 code appeared during startup. I measured the battery voltage and found it unstable. After replacing the battery, the error disappeared. I recommend first checking your car's battery condition and all cable connections. If the problem persists, it's best not to tough it out yourself. Visit a professional repair shop for a scan and diagnosis as soon as possible to avoid affecting the entire OnStar service, such as emergency calling features.
