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 U3006-16 (VSA Control Unit)
DTC U3006-16 : Power Source Failure for ECU (Low Voltage)
NOTE: Before you troubleshoot, review the general troubleshooting information .
| DTC Description | DTC |
|---|---|
| U3006-16 Power Source Failure for ECU (Low Voltage) |
DTC (VSA)
- 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 to the READY TO DRIVE mode.
-4. Test-drive the vehicle at 6 mph (10 km/h) or more.
-5. Check for DTCs with the HDS.
DTC Description DTC U3006-16 Power Source Failure for ECU (Low Voltage) Is DTC U3006-16 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting .
- DTC check (electric powertrain system)
-1. Check for electric powertrain system DTCs with the HDS.
DTC Description Confirmed DTC Pending DTC Freeze Frame Is DTC indicated?
YES
Go to indicated DTCs troubleshooting.
NO
Check for loose terminals and poor connections in the VSA modulator-control unit 46P connector. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the VSA modulator-control unit .
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.