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.
Inspection Procedure
2020 Kia Soul LX, Standard TransSECTION Inspection Procedure
- Ignition "OFF".
- Connect KDS to "Data Link Connector (DLC)".
- Ignition "ON".
- Monitor "Diagnostic Trouble Codes (DTC)" with KDS.
- Clear any DTCs stored in the system with KDS.
- Re-check DTC in the system with KDS.
- Did the same DTC is stored in the system?
Good
- 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 go to "Verification of Repair " procedure.
No Good
- Carefully re-do this troubleshooting guide steps.
- Disconnect units/modules constituting the CAN communication one by one and check that the DTC is cleared. If the normal value is measured when disconnecting the connector, replace the relevant units/modules and go to "Verification of Repair " procedure.
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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.