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SEC-78 < DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM] B2557 VEHICLE SPEED B2557 VEHICLE SPEED DTC Logic INFOID:0000000006226228 DTC DETECTION LOGIC NOTE: . • If DTC B2557 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to . DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE 1. Start engine and wait 10 seconds or more. 2. Drive the vehicle at a vehicle speed of 10 km/h (6.2 MPH) or more for 10 seconds or more. 3. Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III. Is DTC detected? YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000006226229 1. CHECK DTC OF “ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)” Check DTC in “Self Diagnostic Result” mode of “ABS” using CONSULT-III. YES >> Perform the trouble diagnosis related to the detected DTC. Refer to . NO >> GO TO 2. 2. CHECK DTC OF “COMBINATION METER” Check DTC in “Self Diagnostic Result” mode of “METER/M&A” using CONSULT-III. Is DTC detected? YES >> Perform the trouble diagnosis related to the detected DTC. Refer to . NO >> GO TO 3. 3. CHECK INTERMITTENT INCIDENT GI-40, "Intermittent Incident" >> INSPECTION END DTC No. Trouble diagnosis name DTC detecting condition Possible causes B2557 VEHICLE SPEED BCM detects one of the following conditions for 10 km/h (6.2 MPH) or more, and vehicle speed signal • Vehicle speed signal from combination meter is 4 km/h (2.5 MPH) or less, and vehicle speed signal • Harness or connectors (The CAN communication line is • Combination meter (control unit) |