DTC Troubleshooting: U3003-17
DTC U3003-17: Battery Voltage High
NOTE: Before you troubleshoot, review the general troubleshooting information.

DTC Description
DTC
Freeze Frame
U3003-17 Battery Voltage High
    

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.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
U3003-17 Battery Voltage High
    

Is DTC U3003-17 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.
Power source performance check:

Power source performance check
?1.
Check and note the parameter(s) below with the HDS.
Signal
Threshold
Current conditions
Values
Unit
Values
Unit
BATTERY VOLTAGE
More than 19.2
V
    

Do the current condition(s) match the threshold?

     
YES
     
     
     
     
NO
     
     
     
Check for loose terminals and poor connections at the EPS control unit connectors. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting or substitute a known-good EPS motor/control unit, then recheck. If the symptom/indication goes away with a known-good EPS motor/control unit, replace the original EPS motor/control unit.?