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SEC-68 < DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM] B2557 VEHICLE SPEED B2557 VEHICLE SPEED DTC Logic INFOID:0000000009268408 DTC DETECTION LOGIC NOTE: • If DTC B2557 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to . • 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. YES >> Go to NO >> Inspection End. Diagnosis Procedure INFOID:0000000009268409 1. CHECK DTC OF “ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)” Check DTC in Self Diagnostic Result mode of ABS using CONSULT. 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. YES >> Perform the trouble diagnosis related to the detected DTC. Refer to . NO >> GO TO 3. 3. CHECK INTERMITTENT INCIDENT GI-45, "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 is 10 km/h (6.2 MPH) or more and vehicle • Vehicle speed signal from “combination meter” is 4 km/h (2.5 MPH) or less and vehicle speed • Harness or connectors (The CAN communication line is • Combination meter (control unit) |