DTC C2003: Control Parameter Not Implement: Diagnosis
Required Special Tools:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I).
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A
- STEP 1. M.U.T.-III CAN bus diagnostics
Use scan tool to diagnose the CAN bus lines.
Q: Is the check result normal?
YES : Go to Step 3.
NO : Repair the CAN bus lines (Refer to DIAGNOSIS ). On completion, go to Step 2.
- STEP 2. Diagnostic trouble code recheck after resetting CAN bus lines
Q: Is DTC C2003 set?
YES : Go to Step 3.
NO : This diagnosis is complete.
- STEP 3. M.U.T.-III other system diagnostic trouble code
Use scan tool to check whether the ETACS-ECU-related diagnostic trouble code is set or not.
Q: Is the DTC set?
YES : Troubleshoot for the relevant diagnostic trouble code.
NO : Go to Step 4.
- STEP 4. Check part number of ASC-ECU
Check the part number of ASC-ECU.
Q: Is the check result normal?
YES : Go to Step 5.
NO : Replace the ASC-ECU (Refer to HYDRAULIC UNIT ). Then go to Step 8.
- STEP 5. ETACS-ECU coding data check
Q: Is the check result normal?
YES : Go to Step 6.
NO : Replace the ETACS-ECU.
- STEP 6. Check part number of ETACS-ECU
Check the part number of ETACS-ECU.
Q: Is the check result normal?
YES : Go to Step 7.
NO : Replace the ETACS-ECU.
- STEP 7. Check whether the diagnostic trouble code is reset.
Q: Is DTC C2003 set?
YES : Replace the ASC-ECU (Refer to HYDRAULIC UNIT ). Then go to Step 8.
NO : The trouble can be an intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS ).
- STEP 8. Check whether the diagnostic trouble code is reset.
Q: Is DTC C2003 set?
YES : Return to Step 1.
NO : This diagnosis is complete.