DTC P1615: Communication Error from Distance Control ECU to HV ECU: Procedure
- READ OUTPUT DTC (DYNAMIC RADAR CRUISE CONTROL SYSTEM)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Powertrain / Radar Cruise / Trouble Codes.
- Read the DTCs.
Result
Result Proceed to DTC is not output A DTC is output B
B → See step 6
A: Go to next step
- CHECK WHETHER DTC OUTPUT RECURS (DTC P1615)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Turn the Techstream on.
- Clear the DTCs. Refer to DTC CHECK / CLEAR .
- Turn the power switch off.
- Turn the power switch on (IG).
- Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
- Read the DTCs.
Result
Result Proceed to DTC is not output A DTC P1615 is output B
B → See step 3
A → See step 5
- REPLACE DRIVING SUPPORT ECU
- Replace the driving support ECU. Refer to REMOVAL .
NEXT: Go to next step
- CHECK WHETHER DTC OUTPUT RECURS (DTC P1615)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Turn the Techstream on.
- Clear the DTCs. Refer to DTC CHECK / CLEAR .
- Turn the power switch off.
- Turn the power switch on (IG).
- Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
- Read the DTCs.
Result
Result Proceed to DTC is not output A DTC P1615 is output B
B → See step 7
A → END
- USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
- GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART
- REPLACE POWER MANAGEMENT CONTROL ECU. Refer to REMOVAL