DTC U0594-81: Invalid Data Received from Hybrid Powertrain Control Module Invalid Serial Data Received [08/2021 -]: Procedure

WARNING: This page is about a different variant/trim than selected.

CHECK FOR DTC (Radar Cruise2)

Clear the DTCs.
Powertrain > Radar Cruise2 > Clear DTCs
Make sure that the DTC detection conditions are met.
HINT:

If the detection conditions are not met, the system cannot detect the malfunction.

Check for DTCs.

Powertrain > Radar Cruise2 > Trouble Codes

Result

Result	Proceed to
DTC U0594-81 is not output	A
DTC U0594-81 is output	B

Result:

A

USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [04/2018 -]

Result:

B

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to REMOVAL [08/2021 -]