DTC C1938
id060200809100
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DTC
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C1938
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Signal error from BCM
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DETECTION CONDITION
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• Error detected in signal from BCM via CAN communication
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POSSIBLE CAUSE
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• BCM malfunction
• EHPAS CM malfunction
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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INSPECT FOR BCM MALFUNCTION
• Using the M-MDS, perform the DTC inspection for the BCM.
(See DTC INSPECTION [BCM].)
• Are any DTCs detected?
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Yes
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Go to applicable DTC inspection.
(See DTC TABLE [BCM].)
DTC troubleshooting completed, then go to the next step.
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No
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Go to the next step.
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2
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VERIFY THAT SAME DTC IS NOT PRESENT
• Clear the DTC from the memory.
• Is the same DTC present?
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Yes
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Repeat the inspection from Step 1.
If the malfunction recurs, replace the electric power steering oil pump component.
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No
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Go to the next step.
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3
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VERIFY THAT NO OTHER DTCs ARE PRESENT
• Are any other DTCs output?
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Yes
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Go to the applicable DTC inspection.
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No
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DTC troubleshooting completed.
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