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 DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM DIAGNOSIS (3 OF 3) - G3.5 DOHCDTC P0685: ECM/PCM POWER RELAY CONTROL CIRCUIT/OPENGENERAL INFORMATIONDTC DETECTING CONDITION
2011 Hyundai Santa Fe GLS, 3.5 G, AWD
General Information: DTC Detecting Condition
2011 Hyundai Santa Fe GLS, 3.5 G, AWDSECTION DTC Detecting Condition
DTC DETECTING CONDITIONS
| Item | Detecting Condition | Possible cause |
|---|---|---|
| DTC Strategy |
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| Enable Conditions |
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| Threshold value |
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| Diagnosis Time |
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| MIL On Condition |
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- If Main relay has a fault (ex. Open) under engine running, the DTCs, P0638/P0685/P1295/P2106, can happen at the same time.
< DTC Name >
- P0638 Throttle Actuator Control Range/Performance (Bank 1)
- P0685 ECM/ECM Power Relay Control Circuit/Open
- P1295 Throttle Actuator Control System - Power Management
- P2106 Throttle Actuator Control System - Forced Limited Power
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.