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.
GDS Data Analysis
2014 Hyundai Sonata HybridSECTION GDS Data Analysis
WARNING: This page is about a different variant/trim than selected.
- Connect GDS to Data Link Connector (DLC).
- Start engine and turn the headlight and the heatwire on.
- Monitor the "BATTERY VOLTAGE" parameter on the GDS.
- Maintaining ENG. RPM at 2, 500 RPM (idle) over 2 minutes.
Specification: less than 17 [V] or more than 10 [V].
- Is parameter within specifications?
YES
- Fault is intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and EPS CM memory is not cleared yet. Thoroughly check all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
- Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- Go to Next procedure.
NO
- Go to "W/HARNESS INSPECTION " procedure.
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.