The invention provides a method and system for remotely monitoring vehicle diagnostic trouble codes. A list including identifiers for one or more vehicle electronic modules and one or more diagnostic trouble codes is sent via a wireless network to a vehicle telematics unit. The telematics unit periodically sends a request to each electronic module on the list asking that module to report any diagnostic trouble codes associated with the module. If the telematics unit receives a diagnostic trouble code from the module in response to this request, the received diagnostic trouble code is compared with each diagnostic trouble code on the list. If the received diagnostic trouble code corresponds with a diagnostic trouble code on the list, a message is transmitted from the telematics unit to a call center. The call center determines the appropriate action to take in response to the diagnostic trouble code or codes detected.