DTC U3003-17 (EPS Control Unit)

DTC U3003-17  : Battery Voltage High

NOTE: Before you troubleshoot, review the general troubleshooting information .

DTC (EPS)

1. 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. 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

   -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 

   Check the 12 volt battery , and check the electric powertrain system DTCs .

   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 .