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P0743-TCC SOLENOID CIRCUIT (CONTINUED) 4. CHECK THE (T75) TCC SOLENOID CONTROL CIRCUIT FOR A SHORT TO ANOTHER CIRCUIT Measure the resistance between the (T75) TCC Solenoid Control cir- Is the resistance below 5.0 ohms between the (T75) TCC Sole- Yes >> Repair the (T75) TCC Solenoid Control circuit for a short to another circuit. Perform NAG1 TRANSMISSION VERIFICATION TEST - No >> Go To 5 5. CHECK THE TCC SOLENOID RESISTANCE Disconnect the Transmission Electrohydraulic Control Unit Assembly Measure the resistance of the TCC Solenoid between the (T75) TCC Is the resistance between 2.0 and 4.0 ohms? Yes >> Using the schematics as a guide, check the Transmission Control Module (TCM) pins, terminals, and connectors for Perform NAG1 TRANSMISSION VERIFICATION TEST - No >> Replace the TCC Solenoid per the Service Information. Refer to 21- AUTOMATIC TRANSMISSION-AU- TOMATIC TRANSMISSION NAG1/SERVICE INFORMATION for the appropriate service procedure. 21 - 522 AUTOMATIC TRANSMISSION NAG1 - ELECTRICAL DIAGNOSTICS WK |