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 MANUALSCHEVROLET2012SONIC L4-1.4L TURBOREPAIR AND DIAGNOSISRESTRAINTS AND SAFETY SYSTEMSSERVICE PRECAUTIONSSENSING AND DIAGNOSTIC MODULE HANDLING WARNING
2012 Chevrolet Sonic L4-1.4L Turbo
Sensing and Diagnostic Module Handling Warning
2012 Chevrolet Sonic L4-1.4L TurboSECTION Sensing and Diagnostic Module Handling Warning
Sensing and Diagnostic Module Handling Warning
Warning
Be careful when you handle a sensing and diagnostic module (SDM). Do not strike or jolt the SDM. Before applying power to the SDM:
* Remove any dirt, grease, etc. from the mounting surface
* Position the SDM horizontally on the mounting surface
* Point the arrow on the SDM toward the front of the vehicle
* Tighten all of the SDM fasteners and SDM bracket fasteners to the specified torque value
Failure to follow the correct procedure could cause air bag deployment, personal injury, or unnecessary SIR system repairs.
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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.