DTC U0402:68 [BLIND SPOT MONITORING (BSM) CONTROL MODULE CONNECTOR 8-PIN TYPE]
id0902q2952100
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Description |
Error signal from TCM |
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Detection condition
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• BSM control module receives the error signal from the TCM for 1 s or more.
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Possible cause
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• TCM DTC is stored.
• TCM malfunction
• BSM control module malfunction
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Diagnostic procedure
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Step |
Inspection |
Action |
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1
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VERIFY TCM DTCs
• Retrieve the TCM DTCs using the M-MDS.
• Are any DTCs displayed?
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Yes
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Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
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No
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Go to the next step.
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2
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PERFORM DTC INSPECTION AND VERIFY TCM MALFUNCTION
• Clear the DTC for the BSM control module using the M-MDS.
• Retrieve the BSM control module DTCs using the M-MDS.
• Is the same DTC displayed?
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Yes
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Replace the TCM, then go to the next step.
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No
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Go to Step 4.
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3
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VERIFY DTC TROUBLESHOOTING COMPLETED
• Clear the DTC for the BSM control module using the M-MDS.
• Retrieve the BSM control module DTCs using the M-MDS.
• Is the same DTC displayed?
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Yes
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Repeat the inspection from Step 1.
• If the malfunction recurs, replace the BSM control module.
Go to the next step.
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No
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Go to the next step.
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4
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VERIFY IF OTHER DTCs DISPLAYED
• Are any other DTCs displayed?
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Yes
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Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
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No
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DTC troubleshooting completed.
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