FixVault

Code 71 - EBTCM Control Module

EBTCM performs various diagnostic checks on itself. Code 71 will be set if a problem is detected.

NOTE: Test numbers refer to circled numbers on diagnostic chart.
  1. Checks for good EBTCM harness connection.
  2. Checks if fault code is false. If fault code is not false, replace EBTCM.
Fig 1: Code 71 - EBCTM Control Module
G93C41956Courtesy of GENERAL MOTORS CORP.
Fig 2: Code 71 - Diagnostic Flowchart
G93C41980Courtesy of GENERAL MOTORS CORP.