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.
2018 Kia Soul Base, Automatic TransFACTORY OEM SERVICE PROCEDURE
Blind Spot Detection System DTCS
BLIND SPOT DETECTION SYSTEM DTC IDENTIFICATION
| DTC | Description |
|---|---|
| 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 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 C1633 | 81: VANS Vehicle Signal Error |
| 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 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 | 42: Software Mis-Match |
| DTC C1817 | 87: CAN Signal Error Gateway |
| DTC C2702 | 54: Control Module Master Missing Calibration |
| DTC C2703 | 54: Control Module Slave Missing Calibration |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.