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 MANUALSKIA2021FORTE GT, AUTOMATIC DCT TRANSREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASBLIND-SPOT COLLISION WARNING SYSTEM DIAGNOSIS
2021 Kia Forte GT, Automatic DCT Trans
Blind-Spot Collision Warning System Diagnosis
2021 Kia Forte GT, Automatic DCT TransSECTION Blind-Spot Collision Warning System Diagnosis
- 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: Yaw Rate & G Sensor-Signal
- DTC C1501-01: Switch Failure
- DTC C150A-15: Switch Circuit Failure
- DTC C160A-88: BCW Local CAN Bus Off
- DTC C1611-87: CAN Time-Out EMS
- DTC C1612-87: CAN Time-Out TCU
- DTC C1613-81: CAN Wrong Message
- 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 C1633-81: Cluster Invalid Displayed Speed
- DTC C1642-81: CAN Message Failure - ABS/ESC (ESP)
- DTC C1646-81: CAN Message Failure - TCU
- DTC C1671-81: Signal Yaw Rate Or Acceleration AX Or Acceleration AY Or Brake Pressure State Not Valid
- DTC C1675-81: Signal WHEEL_FL Or WHEEL_FR Or WHEEL_RL Or WHEEL_RR Not Valid
- 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 LEFT)
- DTC C170D-04: ECU Hardware Error (REAR RIGHT)
- DTC C1735-4B: Overtemperature Detected
- DTC C1743-05: Software Version LH/RH Unmatching
- DTC C1812-87: CAN Time-Out Gateway
- DTC C1816-87: CAN Time-Out SJB
- 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.