DTC U1A4B:43, U1A4B:44, U1A4B:45, U1A4B:46, U1A4B:47, U1A4B:48, U1A4B:49, U1A4B:96 [REAR VEHICLE MONITORING SYSTEM]
id0902z2887800
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DESCRIPTION |
Rear vehicle monitoring control module (LH) malfunction |
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DETECTION CONDITION
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U1A4B:43
• Rear vehicle monitoring control module (LH) external RAM malfunction is detected.
U1A4B:44
• Rear vehicle monitoring control module (LH) internal RAM malfunction is detected.
U1A4B:45
• Rear vehicle monitoring control module (LH) ROM malfunction is detected.
U1A4B:46
• Rear vehicle monitoring control module (LH) EEPROM malfunction is detected.
U1A4B:47
• Rear vehicle monitoring control module (LH) check system malfunction is detected.
U1A4B:48
• Rear vehicle monitoring control module (LH) communication circuit malfunction is detected.
U1A4B:49
• Rear vehicle monitoring control module (LH) voltage control circuit malfunction is detected.
U1A4B:96
• Rear vehicle monitoring control module (LH) internal circuit malfunction is detected.
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POSSIBLE CAUSE
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• Rear vehicle monitoring control module (LH) malfunction
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Diagnostic Procedure
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STEP |
INSPECTION |
ACTION |
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1
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VERIFY TROUBLESHOOTING COMPLETED
• Clear the DTC from the rear vehicle monitoring control module using the M-MDS.
• Verify the rear vehicle monitoring system DTC using the M-MDS.
• Is the same DTC present?
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Yes
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Replace the rear vehicle monitoring control module (LH), 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 NO OTHER DTCs ARE PRESENT
• Are any DTCs present?
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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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