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DTC B2222: Left Mirror Select Switch Fault

WARNING: This page is about a different car, the 2000 Chevrolet Corvette, 1999 Chevrolet Corvette, and 1998 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM. Go to next step.
  2. Using scan tool, select LDCM input and observe driver mirror select switch status. If scan tool displays ACTIVE, leave scan tool connected and go to next step. If scan tool displays INACTIVE, problem is intermittent. Check left-side mirror select switch circuit wiring and connections. See WIRING DIAGRAMS  . If left-side mirror select switch circuit checks okay, retest system. If DTC B2222 sets as a history code, go to step  5 .
  3. Disconnect left door switch connector. With LDCM input selected, observe driver mirror select switch status. If scan tool displays INACTIVE, replace power mirror switch. See POWER MIRROR SWITCH  under REMOVAL & INSTALLATION. If scan tool displays ACTIVE, go to next step.
  4. Check for short to ground in Light Green wire between Left Door Control Module (LDCM) connector C4 terminal No. 1 and left door switch connector terminal No. 1. See Fig 1 . See WIRING DIAGRAMS  . Repair as necessary and retest system. If Light Green wire is okay, go to next step.
  5. Replace LDCM. See DOOR CONTROL MODULE  under REMOVAL & INSTALLATION.
Fig 1: Identifying Door Control Module Connectors C1 & C4 & Left-Side Door Switch Connector Terminals
G00012599Courtesy of GENERAL MOTORS CORP.
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