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.
Blind Spot Detection Diagnosis - Optima & Optima HEV
2015 Kia Optima SXSECTION Blind Spot Detection Diagnosis - Optima & Optima HEV
- DTC Index
- DTC C1101-17: Battery Voltage High
- DTC C1102-16: Battery Voltage Low
- DTC C120A-11: LED Right Circuit Short to Ground
- DTC C120B-15: LED Right Circuit Short to Battery or Open
- DTC C120C-11: LED Left Circuit Short to Ground
- DTC C120D-15: LED Left Circuit Short to Battery or Open
- DTC C1283-81: Lateral G Sensor/Longitudinal G Sensor/Yaw Rate Sensor - Signal Error
- DTC C1501-01: Switch Failure
- DTC C160A-88: BSD Local CAN bus off
- DTC C1611-87: CAN Time-out EMS
- DTC C1612-87: CAN Time-out TCU
- DTC C1613-81: CAN signal error EMS
- DTC C1616-88: CAN Bus OFF (C-CAN)
- DTC C1625-87: CAN Time-out ABS/ESC (ESP)
- DTC C1628-87: CAN Time-out Cluster
- DTC C1646-81: CAN Message Failure - TCU
- DTC C1702-55: Variant Coding Error
- DTC C170A-11: Activation Switch LED Circuit short to ground
- DTC C170B-12: Activation Switch LED Circuit short to battery or open
- DTC C170C-04: ECU Hardware Error (REAR RIGHT)
- DTC C170D-04: ECU Hardware error (REAR LEFT)
- DTC C1743-05: Software Mis-Match
- DTC C2702-54: Control Module Missing Calibration
- DTC C2703-54: Control Module Slave Missing Calibration
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.