DTC P0C39-626: DC / DC Converter Temperature Sensor "A" Range / Performance; DTC P0C3C-625: DC / DC Converter Temperature Sensor "A" Intermittent / Erratic [10/2014 - 10/2015]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
4. Check for DTCs.

   Result

   Result	Proceed to
   P0C39-626 or P0C3C-625 only is output, or DTCs except the ones in the table below are also output.	A
   Any of the following DTCs are also output.	B

   DTC No.	Relevant Diagnosis
   P0A93-346	Inverter Cooling System Performance
   P0C73-776	Motor Electronics Coolant Pump "A" Control Performance
   P314A-828	Inverter Coolant Pump Speed Signal

   HINT: 

   P0C39-626 or P0C3C-625 may be stored due to a malfunction which also causes DTCs in the preceding table to be stored. In this case, first troubleshoot the output DTCs in the preceding table. Then, perform a test to attempt to reproduce the problems, and check that no DTCs are output.

5. Turn the power switch off.

Result: 

B 

GO TO DTC CHART (HYBRID CONTROL SYSTEM) 

(Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2014 - 10/2015] )

Result: 

A 

See step  2

Refer to PROCEDURE - Step 4

Result: 

NG 

CONNECT SECURELY 

Result: 

OK 

See step  3

Refer to PROCEDURE - Step 3

Result: 

B 

ADD HV COOLANT 

Result: 

C 

INSPECT FOR HV COOLANT LEAK AND ADD HV COOLANT 

Result: 

A 

See step  4

Refer to PROCEDURE - Step 4

Result: 

NG 

CORRECT THE PROBLEM 

Result: 

OK 

See step  5

Refer to PROCEDURE - Step 5

Result: 

NG 

CHECK COOLING FAN SYSTEM 

(Refer to Cooling Fan Circuit [10/2014 - 10/2015] )

Result: 

OK 

See step  6

Refer to PROCEDURE - Step 6

Result: 

B 

REPLACE INVERTER WITH CONVERTER ASSEMBLY 

(Refer to COMPONENTS [10/2014 - ] )

Result: 

A 

See step  7

Refer to PROCEDURE - Step 7