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 MANUALSHYUNDAI2011SANTA FE GLS, 3.5 G, AWDREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTILOCK BRAKE SYSTEM (ABS)/ELECTRONIC STABILITY CONTROL (ESC) DIAGNOSISDTC C1616: CAN BUS OFFINSPECTION/REPAIRCOMPONENT INSPECTION
2011 Hyundai Santa Fe GLS, 3.5 G, AWD
Component Inspection
2011 Hyundai Santa Fe GLS, 3.5 G, AWDSECTION Component Inspection
- Ignition "OFF".
- Ignition "ON"
- Connect scantool and select "Diagnostic Trouble Codes (DTCs)" mode.
- Using a scantool, Clear DTC.
- Select "Diagnostic Trouble Codes (DTCs)" mode again.
- Are any DTCs present?
YES
- Substitute with a known-good HECU and check for proper operation. If problem is corrected, replace HECU and then go to VERIFICATION OF VEHICLE REPAIR .
NO
- Fault is intermittent caused by poor connection in CAN signal harness and/or HECU's connector.
Go to VERIFICATION OF VEHICLE REPAIR .
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.