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.

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HOMESERVICE MANUALSCHEVROLET2001CAVALIER LS, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 210 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)REPAIR INSTRUCTIONSINFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE REPLACEMENTREMOVAL PROCEDURE

2001 Chevrolet Cavalier LS, 2.4 T

Removal Procedure

2001 Chevrolet Cavalier LS, 2.4 TSECTION Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Do not strike or jolt the inflatable restraint sensing and diagnostic module (SDM). Before applying power to the SDM, make sure that it is securely fastened with the arrow facing toward the front of the vehicle. Failure to observe the correct installation procedure could cause SIR deployment, personal injury, or unnecessary SIR system repairs.

Disable the SIR system. Refer to SIR Disabling and Enabling Zone 9 .
Remove the passenger front seat. Refer to Seat Replacement in Seats.
Remove the passenger front carpet retainer, then roll back the carpet. Refer to Carpet Retainer Replacement (Sedan) or Carpet Retainer Replacement (Coupe) in Interior Trim.
Remove the connector position assurance (CPA) from the inflatable restraint sensing and diagnostic module (SDM) wiring harness connector.

Fig 1: View Of Sensing & Diagnostic Module (SDM) Wiring Harness Connector
Courtesy of GENERAL MOTORS CORP.
Disconnect the SDM wiring harness connector from the SDM.

Fig 2: Identifying Sensing & Diagnostic Module (SDM) Wiring Harness Connector
Courtesy of GENERAL MOTORS CORP.
Remove the SDM mounting fasteners (2).

Fig 3: Locating SDM Mounting Fasteners
Courtesy of GENERAL MOTORS CORP.
Remove the SDM (1) from the floor pan (3).

RENDER: 1.0x

NO RELATED

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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.