DTC Index

2021 Kia Forte GT, Automatic DCT TransSECTION DTC Index
DTC Index

DTC Description
DTC C1633  81: Cluster Invalid Displayed Speed
DTC C1635  82: TCS Invalid Counter
DTC C1635  83: TCS Invalid Counter
DTC C1638  81: SCC communication error
DTC C1642  81: CAN Message Failure - Brake
DTC C1646  81: CAN Message Failure - TCU
DTC C1646  82: CAN Message Failure - TCU
DTC C1646  83: CAN Message Failure - TCU
DTC C16B1  81: AEB Error by LDWS (LKAS) Error
DTC C16B1  82: AEB Error by LDWS (LKAS) Error
DTC C16B1  83: AEB Error by LDWS (LKAS) Error
DTC C16B2  82: WHL_SPD Checksum/Alive Counter Error
DTC C16B2  83: WHL_SPD Checksum/Alive Counter Error
DTC C16B3  82: WHL_PUL Checksum/Alive Counter Error
DTC C16B3  83: WHL_PUL Checksum/Alive Counter Error
DTC C16B8  81: AEB Communication Error
DTC C1702  55: Variant Coding Error
DTC C1741  81: ESC - not available VSM (Check ESC)
DTC C1742  81: Variant Error - ESC (Check ESC)
DTC C1743  81: Software Mis - Match
DTC C1744  81: SCC Coding & AVN/Navi Option Mismatch
DTC C1747  55: Front Radar & Front View Camera Variant Coding Mismatch
DTC C1804  87: CAN time-out LKAS
DTC C1805  81: LKAS CAN Signal Error
DTC C1805  82: LKAS CAN Signal Error
DTC C1805  83: LKAS CAN Signal Error
DTC C180B  87: CAN Time-Out CGW1
DTC C1816  87: CAN time-out SJB
DTC C1817  82: CAN Signal Error Gateway
DTC C1817  83: CAN Signal Error Gateway
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.