DTC P0A94 (48)

DTC P0A94  : DC-DC Converter Performance

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

DTC (Electric Powertrain)

1. Problem verification

   -1. Turn the vehicle to the ON mode.

   -2. Clear the DTC with the HDS.

   -3. Turn the vehicle to READY TO DRIVE mode, and wait 100 seconds.

   -4. Monitor the OBD STATUS for DTC P0A94 in the DTCs MENU with the HDS.

   DTC Description	OBD STATUS
   P0A94 DC-DC Converter Performance

   Does the HDS indicate FAILED?

   YES 

   The failure is duplicated. Go to step 2.

   NO 

   If the HDS indicates PASSED, intermittent failure the system is OK at this time. If the HDS indicates NOT COMPLETED, keep the vehicle in READY TO DRIVE mode until a result comes on. 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

   -1. Check for Pending or Confirmed DTCs with the HDS.

   DTC Description	Confirmed DTC	Pending DTC	Freeze Frame
   P0562 Battery Condition Monitor Module System Voltage Low
   U0599 DC-DC Converter Serial Communication Receive Error

   Is DTC P0562 or U0599 indicated?

   YES 

   Go to the indicated DTC's troubleshooting.

   NO 

   Go to step 3.

3. DC-DC converter operation check

   -1. Check the parameter(s) below with the HDS.

   Signal	Threshold		Current conditions
   	Values	Unit	Values	Unit
   DC-DC Converter Information	Normal

   Do the current condition(s) match the threshold?

   YES 

   Go to step 4.

   NO 

   Check for poor connections or loose terminals at the PCU. If the connections and the terminals are OK, replace the PCU .

4. +B terminals visual check

   -1. Check the connections of the +B terminal (A) on the PCU and the under-hood fuse/relay box +B terminal (B).

   Courtesy of HONDA, U.S.A., INC.

   Are the connection OK?

   YES 

   Replace the PCU .

   NO 

   Repair the +B terminal connection.