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13. CHECK THE (T29) UD PRESSURE SWITCH SENSE CIRCUIT FOR A SHORT TO ANOTHER CIRCUIT Disconnect the TCM harness connector. NOTE: Make sure the Transmission Solenoid/TRS Assembly har- Is the resistance below 5.0 ohms between the (T29) UD Pres- Yes >> Repair the (T29) UD Pressure Switch Sense circuit for a short to another circuit(s). Perform 45RFE/545RFE TRANSMISSION VERIFICATION No >> Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. (Refer to 21 - TRANSMIS- 14. WIGGLE TEST USING THE TRANSMISSION SIMULATOR Perform the steps in the previous test while wiggling the wiring harness and connectors pertaining to the UD Pres- Did the state of the UD Pressure Switch change while pressing the Pressure Switch Test button? Yes >> Repair the wiring harness and/or connectors as necessary. Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. (Refer to 21 - TRANSMIS- No >> Go To 15 21 - 588 AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS - (DIESEL) KJ |