DTC C1615: Brake Control Prohibited Request: Diagnosis
- STEP 1. Scan tool (M.U.T.-IIISE) CAN bus diagnostics
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Use scan tool (M.U.T.-IIISE) to perform the CAN bus diagnosis.
Q: Is the check result normal?
YES : Go to Step 2.
NO : Repair the CAN bus lines (Refer to CAN BUS DIAGNOSTICS TABLE ).
- STEP 2. Scan tool (M.U.T.-IIISE) DTC
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Check the ASC DTC (Refer to DIAGNOSTIC TROUBLE CODE CHART ).
Q: Is the DTC set?
YES : Perform the relevant troubleshooting.
NO : Go to Step 3.
- STEP 3. scan tool (M.U.T.-IIISE) DTC
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Check other AWC DTC (Refer to DIAGNOSTIC TROUBLE CODE CHART ).
Q: Is the DTC set?
YES : Perform the relevant troubleshooting.
NO : Go to Step 4.
- STEP 4. Check whether the DTC is set again
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Q: Is the DTC C1615 set?
YES : Replace the AWC-ECU (Refer to AWC-ECU <AWD> ).
NO : Intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).