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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 B2275: Window Motor 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. Turn ignition switch to OFF position. Disconnect right window motor connector. Turn ignition switch to RUN position. Using DVOM, check voltage between right motor harness connector terminals "A" (Dark Blue wire) and "B" (Brown wire). Operate right window up and down. If 10-14 volts is measured in both positions, go to step  5 . If 10-14 volts does not exist in both positions, go to next step.
  2. Check for open or short to ground or voltage in Dark Blue wire or Brown wire between right window motor and RDCM. If problem is found, repair as necessary. Then go to step  6 . If no problem was found, go to step  5 .
  3. Replace right window motor. See WINDOW MOTOR & REGULATOR  under REMOVAL & INSTALLATION. After repair, go to step  6 .
  4. 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  6 .
  5. Check right door window motor circuit for intermittent malfunction. See DIAGNOSTIC AIDS  . If problem is found and repaired, go to next step. If no problem is found, go to next step.
  6. 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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