Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2001CAVALIER LS, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 4 (POWER WINDOW SYSTEM)DIAGNOSTIC TESTSDTC B2274: WINDOW MOTOR FAULT (LDCM)DIAGNOSTIC PROCEDURE
2001 Chevrolet Cavalier LS, 2.4 T
Diagnostic Procedure
2001 Chevrolet Cavalier LS, 2.4 TSECTION 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.
- Turn ignition switch to OFF position. Disconnect left window motor connector. Turn ignition switch to RUN position. Using DVOM, check voltage between left motor harness connector terminals "A" (Dark Blue wire) and "B" (Brown wire). Operate left window up and down. If 10-14 volts exists in both positions, go to step 5 . If 10-14 volts does not exist in both positions, go to next step.
- Check for open or short to ground or voltage in Dark Blue wire or Brown wire between left window motor and LDCM. If problem is found, repair as necessary. Then go to step 6 . If no problem was found, go to step 5 .
- Replace left window motor. See WINDOW MOTOR & REGULATOR under REMOVAL & INSTALLATION. After repair, go to step 6 .
- Replace LDCM. See DOOR CONTROL MODULE (DCM) under REMOVAL & INSTALLATION. On hardtop models, using scan tool, select LH DCM. Select DCM REPROGRAM. Follow scan tool instructions. On all models, after repair, go to step 6 .
- Check left 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.
- 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.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.