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.
DTC 2
LKAS Control Function DTC 2 : Internal Failure of the LKAS Control Unit (Transaction Time Error)
Before you troubleshoot, review the general troubleshooting information - Refer to: How to Troubleshoot the Lane Keeping Assist System (LKAS) (2014 2015) , or How to Troubleshoot the Lane Keeping Assist System (LKAS) (2016 2017 2018 2019 2020) .
| DTC Description | DTC | Freeze Frame |
|---|---|---|
| 2 Internal Failure of the LKAS Control Unit (Transaction Time Error) |
DTCs (LKAS)
- Problem verification
-1. Turn the vehicle to the ON mode.
- 2. Clear the DTC with the HDS.
- 3. Turn the vehicle to the OFF (LOCK) mode, then the ON mode.
- 4. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame 2 Internal Failure of the LKAS Control Unit (Transaction Time Error) Is DTC 2 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.
- Connector connection check
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
LKAS Camera-Control Unit Removal and Installation (2014 2015 2016) - 3. Check the following connector connections.
LKAS camera/control unit 8P connector Is the connector OK?
YES
Go to step 3.
NO
Repair the poor connector connections.
- LKAS camera/control unit check (update)
-1. Reconnect the following connector.
LKAS Camera-Control Unit Removal and Installation (2014 2015 2016) - 2. Update the LKAS camera/control unit if it does not have the latest software.
- 3. Turn the vehicle to the OFF (LOCK) mode, then the ON mode.
- 4. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame Is DTC 2 indicated?
YES
Check for loose terminals in the LKAS camera/control unit 8P connector. If the LKAS camera/control unit was updated and the symptom/indication is still present, replace the LKAS camera/control unit
NO
Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTC's troubleshooting.
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.