This Preliminary Information communication provides information to the technician that vehicles may have an Antilock Braking System or Malfunction Indicator Lamp illuminated. Also Low Brake Fluid lamp on with the master cylinder fluid level is full or a Service Trailer Brake message on the Driver Information Center. Technician may find codes C0035, C0040, C0045, C0050, C0055, C0267, U0121, U0415 or U0420. Technician will need to inspect the Electronic Brake Control Module connector for water intrusion or corrosion on the terminals. If either is found, replace the EBCM and replace the affected terminals. Also remove the tape from the conduit leading to G400 between the main harness and the ground lug.