DTC B2477SM2445161
DTC B2477

id040200805600

DTC
B2477
DSC HU/CM configuration
DETECTION CONDITION
• Condition 1
― Configuration data is not within the specification.
• Condition 2
― Configuration data cannot be read.
• Condition 3
― Configuration data is at an unused value.
POSSIBLE CAUSE
• Module configuration procedure was not completed properly.
• DSC HU/CM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION
1
VERIFY CONFIGURATION
• Has the DSC HU/CM configuration been performed?
Yes
Go to the next step.
No
Perform configuration using the M-MDS.
(See DSC CONFIGURATION.)
2
VERIFY DTC TROUBLESHOOTING COMPLETED
• Clear the DTC from the memory. (See ON-BOARD DIAGNOSIS.)
• Is the same DTC present?
Yes
Repeat the inspection from Step 1.
If the malfunction recurs, replace the DSC HU/CM, then go to the next step.
(See DSC HU/CM REMOVAL/INSTALLATION [L.H.D.].)
(See DSC HU/CM REMOVAL/INSTALLATION [R.H.D.].)
No
Go to the next step.
3
VERIFY AFTER REPAIR PROCEDURE
• Are any other DTCs present?
Yes
Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSIS.)
No
DTC troubleshooting completed.