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P1736-GEAR RATIO ERROR IN 2ND PRIME 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 CRACKEC OR MISINSTALLED PRIMARY OIL FILTER OR SEAL WORN SOLENOID SWITCH VALVE OR PLUGS STUCK OR STICKING MAIN REGULATOR VALVE BURNED UD OR 4C CLUTCH CUT 4C OR UD PISTON SEAL BROKEN 4C PISTON CASTING BROKEN OR MISSING 4C BLEED ORIFICE BROKEN OR MISSING UD BLEED ORIFICE CUT 4C OR UD ACCUMULATOR PISTON SEAL CRACKED 4C OR UD ACCUMULATOR PISTON EXTRA CHECK BALL IN PASSAGE DOWNSTREAM OF #7 CHECK BALL POCKET TRANSMISSION SOLENOID/TRS ASSEMBLY BROKEN WELD - REACTION CARRIER TO REVERSE SUN GEAR MISSING TEETH ON INPUT CLUTCH HUB TONE WHEEL 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) When in gear, if the gear ratio does not compare to a known gear ratio, the corresponding in-gear trouble code 2) An excessive change in input or output speeds indicating signal intermittent which may result in the DTCs P0715 3) If the common speed sensor ground circuit is lost, both sensor inputs will read the signal from the input speed 21 - 516 AUTOMATIC TRANSMISSION - 545RFE - ELECTRICAL DIAGNOSTICS DR/DH |