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 MANUALSKIA2020SOUL LX, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASBLIND-SPOT COLLISION WARNING DIAGNOSISDTC C170B-12: ACTIVATION SWITCH LED CIRCUIT SHORT TO BATTERY OR OPENDTC INFORMATIONDTC DETECTING CONDITION

2020 Kia Soul LX, Standard Trans

DTC Information: DTC Detecting Condition

2020 Kia Soul LX, Standard TransSECTION DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	BCW switch LED circuit voltage check	Poor connection BCW switch LED circuit battery short or open BCW switch
Enable Condition	2s elapsed after ignition "ON" Normal input voltage condition (C110117/C110216 DTC not generated) BCW switch "OFF" (LED "OFF" state)
Threshold Value	BCW switch LED circuit voltage is more than 9V
Detecting Time	1s

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.