DTC Troubleshooting: U3006-16
DTC U3006-16: Power Source Failure for ECU (Low Voltage)

DTC Description
DTC
Freeze Frame
U3006-16 Power Source Failure for ECU (Low Voltage)
   

1.
Problem verification:

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 start the engine.

?4.
Test-drive the vehicle at 6 mph (10 km/h) or more.

?5.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
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. 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.?
2.
DTC check (PGM-FI system):

DTC check (PGM-FI system)
?1.
Check for PGM-FI system DTCs with the HDS.
DTC Description
Confirmed DTC
Pending DTC
     

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.?