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P0733-GEAR RATIO ERROR IN 3RD For the Transmission circuit diagram (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - 45RFE/545RFE - For a complete wiring diagram Refer to Section 8W • When Monitored: • Set Condition: Possible Causes RELATED DTC’S PRESENT INPUT SPEED SENSOR OR WIRING LOW FLUID LEVEL CRACKED OR MISINSTALLED PRIMARY OIL FILTER OR SEAL BENT OR BROKEN ACCUMULATOR COVER ON MAIN VALVE BODY WORN SOLENOID SWITCH VALVE OR PLUGS STUCK OR STICKING MAIN REGULATOR VALVE BURNED UD OR OD CLUTCH CUT OD OR UD PISTON SEAL BROKEN OR MISSING UD OR OD BLEED ORIFICE IN MAIN VALVE BODY BROKEN OR MISSING BLEED ORIFICE IN UD OR OD CLUTCH PISTON CUT OD OR UD ACCUMULATOR PISTON SEAL CRACKED OD OR UD ACCUMULATOR PISTON CUT OR MISSING #6 CHECK BALL TRANSMISSION SOLENOID/TRS ASSEMBLY BROKEN WELD - REVERSE CARRIER HUB TO CARRIER BROKEN REACTION SHAFT SUPPORT SEAL RING POOR MACHINING ON PUMP VALVE BODY FACE Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 21 - TRANSMIS- Theory of Operation The transmission system uses two speed sensors, one to measure input RPM and one to measure output RPM. 1) Once in a particular gear, if the gear ratio varies from the correct gear ratio, the corresponding in-gear trouble 2) An excessive change in input or output speeds indicating signal intermittent may result in the DTCs P0715 and/or 3) If the common speed sensor ground circuit is lost, both sensor inputs will read the pulses from the input speed HB AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS 21 - 409 |