DTC U0300-57: Internal Control Module Software Incompatibility Invalid / Incompatible Software Component [08/2019 - ]: Procedure
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- CHECK FOR DTCs
- Check for DTCs of hybrid control system.
Powertrain > Hybrid Control > Trouble Codes
Result
Result Proceed to DTCs are not output A DTCs are output B
Result:
B
GO TO HYBRID CONTROL SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ]
Result:
A
See step 2
- Check for DTCs of hybrid control system.
- CHECK FOR DTCs (HEALTH CHECK)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG)
- Turn the Techstream on.
- Enter the following menus: System Select / Health Check.
- Check for DTCs.
- Turn the power switch off.
OK
DTCs indicating a vehicle information mismatch with that of the hybrid vehicle control ECU assembly are not output by any ECU other than the forward recognition camera.
Result
Proceed to OK NG
Result:
NG
REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY. Refer to REMOVAL [08/2019 - ]
Result:
OK
See step 3
- READ VALUE USING TECHSTREAM
Result:
A
REPLACE FORWARD RECOGNITION CAMERA. Refer to REMOVAL [08/2019 - ]
Result:
B
REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY. Refer to REMOVAL [08/2019 - ]