STEP 1. Using scan tool MB991958, diagnose the CAN bus lines.
STEP 2. DTC recheck after resetting CAN bus lines
STEP 3. Check the wheel speed sensor-related DTC.
STEP 4. Check whether the ASC-ECU is installed properly.
STEP 5. Scan tool MB991958 data list
STEP 6. Check whether the DTC is set again.
STEP 7. Check whether the DTC is set again.
(1) Erase the DTC.
(2) Drive the vehicle at 20 km/h (12 mph) or higher.note | The ABS warning light does not turn OFF in some cases unless the vehicle runs at 20 km/h (12 mph) or higher. |
Is DTC No.C1242 set?
Return to Step 1. This diagnosis is complete.