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 & EQUIPMENTCOMMUNICATION DEVICESINTEGRATED CENTRAL CONTROL UNIT DIAGNOSISDTC C1612-00: CAN TIME-OUT TCUDTC INFORMATIONDTC DETECTING CONDITION

2021 Kia Forte GT, Automatic DCT Trans

DTC Information: DTC Detecting Condition

2021 Kia Forte GT, Automatic DCT TransSECTION DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	CAN signal monitoring	Poor connector connection Open in P-CAN line between ICU and TCU (PCM)
Enable Condition	Ignition "ON" Normal battery voltage status (battery voltage is 9 to 16V) M-CAN bus is normal
Threshold Value	TCU (PCM) CAN message is not received
Diagnosis Time	10s
Symptom	Abnormal signal in TCM CAN message
Erase Condition	Erase with KDS after the failure solved

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.