This Preliminary Information communication provides information to the technician about vehicles that have a Service Brake Assist message may be displayed on the Driver Information Center. Technician may find Diagnostic Trouble Code C025E sym 5A. Technician will remove and inspect the connector from the Auxiliary brake assist Vacuum pump motor and inspect the terminals, if no concerns are found to fully seat the connector clear the Diagnostic Trouble Codes and re-evaluate the concern.
