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.
Monitor GDS Data
■ DTC Status Check
- Connect GDS to Data Link Connector (DLC).
- Ignition "ON".
- Monitor "Diagnostic Trouble Codes (DTC)" with GDS.
- Is DTC status displayed as Present?
YES
Go to "Current Data Inspection" procedure below.
NO
Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
■ Current Data Inspection
- Connect GDS to Data Link Connector (DLC)
- Engine "ON".
- Monitor "Wheel Speed" parameters in "Current Data" with GDS.
- Compare each wheel speed sensor parameters while driving vehicle and check displayed values are similar to each other.
- Is displayed parameters similar to each other?
YES
Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, 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.
NO
Go to WIRING INSPECTION procedure.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.