Last Modified: 11-20-2023 |
6.11:8.1.0 |
Doc ID: RM1000000014W6Z |
Model Year Start: 2018 |
Model: Camry HV |
Prod Date Range: [07/2017 - 10/2020] |
Title: CRUISE CONTROL: FORWARD RECOGNITION CAMERA SYSTEM: U023A; Lost Communication With Image Processing Module "A"; 2018 - 2020 MY Camry HV [07/2017 - 10/2020] |
DTC
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U023A
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Lost Communication With Image Processing Module "A"
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DESCRIPTION
When a communication error between the forward recognition camera and power steering ECU (rack and pinion power steering gear assembly) is detected, the forward recognition camera notifies other ECUs and DTC U023A is stored.
DTC No.
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Detection Item
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DTC Detection Condition
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Trouble Area
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U023A
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Lost Communication With Image Processing Module "A"
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After the power switch is turned on (IG) for 3 seconds or more, a communication malfunction between the forward recognition camera and power steering ECU (rack and pinion power steering gear assembly) is detected for 5 seconds or more.
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Power steering system
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Forward recognition camera
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CAUTION / NOTICE / HINT
NOTICE:
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When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle. As a result, a DTC may be stored.
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If the forward recognition camera has been replaced with a new one, be sure to perform forward recognition camera adjustment.
Click here
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The forward recognition camera system uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting.
Click here
PROCEDURE
1.
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CHECK FOR DTCs (POWER STEERING SYSTEM)
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HINT:
If DTC U023A is stored, the power steering system may be malfunctioning. Check for DTCs related to the power steering system first.
(a) Check for DTCs.
Chassis > EMPS > Trouble Codes
Result
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Proceed to
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Power steering system DTCs are not output
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A
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Power steering system DTCs are output
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B
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A
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|
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2.
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CHECK FOR DTCs (FORWARD RECOGNITION CAMERA SYSTEM)
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(a) Clear the DTCs.
Chassis > Front Recognition Camera > Clear DTCs
(b) Perform the following procedure.
HINT:
If the following procedure is not performed, the previously output DTC cannot be detected.
-
Turn the power switch on (IG) and wait 8 seconds or more.
(c) Check for DTCs.
Chassis > Front Recognition Camera > Trouble Codes
Result
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Proceed to
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DTC U023A is not output
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A
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DTC U023A is output
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B
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