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 MANUALSGMC2016ACADIA SLE, FWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOLLISION/AVOIDANCEOBJECT DETECTION SYSTEM AND PEDESTRIAN PROTECTION SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESSIDE BLIND SPOT ALERT SYSTEM MALFUNCTIONCIRCUIT/SYSTEM VERIFICATION
2016 GMC Acadia SLE, FWD
Circuit/System Verification
2016 GMC Acadia SLE, FWDSECTION Circuit/System Verification
- Ignition ON.
- Verify the scan tool can communicate with the right side object sensor.
- If the scan tool can not communicate with the right side object sensorÂ
Refer to Circuit/System Testing - Right Side Object Sensor Malfunction.
- If the scan tool can communicate with the right side object sensorÂ
- If the scan tool can not communicate with the right side object sensorÂ
- Verify the scan tool can communicate with the left side object sensor.
- If the scan tool can not communicate with the left side object sensorÂ
Refer to Circuit/System Testing - Left Side Object Sensor Malfunction.
- If the scan tool can communicate with the left side object sensorÂ
- If the scan tool can not communicate with the left side object sensorÂ
- Ignition OFF, ignition ON.
- Verify that both side blind zone alert system indicators located in the outside rearview mirrors briefly turn ON and then turn OFF during the system self test when ignition is turned ON.
- If both side blind zone alert indicators do not briefly turn ON and OFFÂ
- Verify the system is enabled
- If disabled, refer to diagnostic aids for cause of disable.
- If enabled, refer to Circuit/System Testing - Side Object Indicator Malfunction.
- If only one indicator does not briefly illuminate during the self testÂ
Refer to Circuit/System Testing - Side Object Indicator Malfunction.
- If both side blind zone alert indicators briefly turn ON and OFFÂ
- All OK.
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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.