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DTC No. C1041: Abnormality in periodical signal for FL wheel speed sensor M13502000919USA0000010000 If there is any problem in the CAN bus lines, an incorrect CIRCUIT OPERATION ⦆ The wheel speed sensor is a kind of a pulse generator. It ⦆ The pulse signals, which the wheel speed sensor creates, are DTC SET CONDITIONS PROBABLE CAUSES ⦆ Wheel bearing malfunction ⦆ Deformation of the wheel speed detection encoder ⦆ Missing teeth of the wheel speed detection encoder ⦆ Adhesion of foreign materials on the wheel speed detection ⦆ ABS-ECU malfunction 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 ⦆ MB991974: ABS check harness STEP 1. M.U.T.-III CAN bus diagnostics Q:Is the check result normal? YES: Go to Step 3. ANTI-LOCK BRAKING SYSTEM (ABS) 35B-63 ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS |