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TM-100 < DTC/CIRCUIT DIAGNOSIS > [CVT: RE0F10D] U0300 CAN COMMUNICATION DATA U0300 CAN COMMUNICATION DATA DTC Description INFOID:0000000011279319 DTC DETECTION LOGIC POSSIBLE CAUSE Control unit other than TCM FAIL-SAFE • Selector shock is large • Start is slow • Acceleration is slow • Lock-up is not performed DTC CONFIRMATION PROCEDURE 1. PREPARATION BEFORE WORK If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test. >> GO TO 2. 2. CHECK DTC DETECTION With CONSULT 1. Start the engine and wait for 5 seconds or more. 2. Check the DTC. YES >> Go to NO-1 >> To check malfunction symptom before repair: Refer to GI-44, "Intermittent Incident" . NO-2 >> Confirmation after repair: INSPECTION END Diagnosis Procedure INFOID:0000000011279320 1. CONTROL UNIT CHECK Check the number of control units replaced before “U0300” is detected. YES >> The specification of the control unit replaced may be incorrect. Check the part number and the specification. NO >> GO TO 2. 2. CONTROL UNIT CHECK With CONSULT 1. Remove one of the control unit replaced. 2. Assemble the old control unit before replacement. 3. Turn ignition switch ON, and wait for 2 seconds or more. 4. Select “Self Diagnostic Results” in “TRANSMISSION”. YES >> Turn OFF the ignition switch and check other control units in the same manner. NO >> The specification of the control unit removed may be incorrect. Check the part number and the specification. DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition U0300 CAN COMM DATA When the ignition switch is ON, the data length transmitted from each |