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Home >> Chevrolet >> 2001 >> Camaro Base, 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Power Window System) >> Diagnostic Tests >> DTC B2203: Right Window Up Switch Fault (RDCM) >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2000 Chevrolet Corvette and 1999 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Using scan tool, select RDCM input display and monitor right window status. If scan tool displays ACTIVE, go to next step. If scan tool does not display ACTIVE, go to step  6 .
  2. Disconnect right window switch. Using scan tool, select RDCM input display and monitor right window switch status. If scan tool displays ACTIVE, go to next step. If scan tool displays INACTIVE, go to step  4 .
  3. Check for short to ground in Light Blue wire between right window switch and RDCM. If circuit is okay, go to step  5 . If circuit is not okay, repair as necessary. After repair, go to step  8 .
  4. Replace right window switch assembly. See WINDOW SWITCH  under REMOVAL & INSTALLATION. After repair, go to step  8 .
  5. Replace RDCM. See DOOR CONTROL MODULE (DCM)  under REMOVAL & INSTALLATION. On hardtop models, using scan tool, select RH DCM. Select DCM REPROGRAM. Follow scan tool instructions. On all models, after repair, go to step  8 .
  6. Check right window switch circuit for intermittent malfunction. See DIAGNOSTIC AIDS  . If problem is found and repaired, go to step  8 . If no problem is found, go to next step.
  7. Turn ignition switch to OFF position. Reconnect or install any connectors or components that were disconnected or removed. Clear any DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES (DTCS)  under SELF-DIAGNOSTIC SYSTEM. Wait 20 seconds. Check for DTCs. If DTC B2203 sets as history again, go to step  5 . If DTC B2203 does not reset, system is okay.
  8. Turn ignition switch to OFF position. Reconnect or install any connectors or components that were disconnected or removed. Turn ignition switch to RUN position. Clear any DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES (DTCs)  under SELF-DIAGNOSTIC SYSTEM. Recheck system operation.
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