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WT-32 < COMPONENT DIAGNOSIS > C1729 VEHICLE SPEED SIGNAL C1729 VEHICLE SPEED SIGNAL Description INFOID:0000000003579730 BCM detects no vehicle speed signal. DTC Logic INFOID:0000000003579731 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. DTC REPRODUCTION PROCEDURE With CONSULT-III 1. Drive at a speed of 40 km/h (25 MPH) or more for several minutes without stopping. 2. Perform BCM self-diagnosis. Is DTC “C1729” detected? YES >> Proceed to diagnosis procedure. Refer to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000003579732 1. CHECK UNIFIED METER AND A/C AMP. SELF-DIAGNOSIS With CONSULT-III Perform unified meter and A/C amp. self-diagnosis. Is any DTC detected? YES >> Check the DTC. NO >> Check unified meter and A/C amp. HAC-104, "Diagnosis Procedure" Special Repair Requirement INFOID:0000000003579733 1. CHECK TIRE AIR PRESSURE Check all tire air pressures. Refer to . Does all tire pressure data meet the specification? YES >> GO TO 2. NO >> Inspect or repair the tires or wheels and adjust the tire pressure to the specification. 2. PERFORM ID REGISTRATION Perform ID registration. Refer to WT-6, "ID REGISTRATION PROCEDURE : Special Repair Requirement" . >> END DTC number Trouble diagnosis name DTC detecting condition Possible case C1729 VHCL SPEED SIG ERR Vehicle speed signal error. • CAN communication error function |