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8. CHECK THE (T50) L/R PRESSURE SWITCH SENSE CIRCUIT FOR A SHORT TO VOLTAGE Remove the Transmission Control Relay. Connect a jumper wire between the (Internal) Fused B(+) circuit and Ignition on, engine not running. Measure the voltage of the (T50) L/R Pressure Switch Sense circuit. Is the voltage above 0.5 volts? Yes >> Repair the (T50) L/R Pressure Switch Sense circuit for a short to voltage. Perform 42RLE TRANSMISSION VERIFICATION TEST - No >> Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or Perform 42RLE TRANSMISSION VERIFICATION TEST - 9. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Test Drive the vehicle and verify if the transmission is launching in 2nd gear and/or there is no TCC engagement. With the scan tool, check the EVENT DATA to help identify the conditions in which the DTC was set. Check for any Service Information Tune-ups or Service Bulletins for possible causes that may apply. Are there 2nd gear launches and/or no TCC engagement? Yes >> Disassemble and inspect the Valve Body per the Service Information Inspect the Solenoid Switch Valve for sticking in its bore and repair or replace as necessary. Perform 42RLE TRANSMISSION VERIFICATION TEST - VER 1. (Refer to 21 - TRANSMISSION/ No >> Test Complete. 21 - 228 AUTOMATIC TRANSMISSION 42RLE - ELECTRICAL DIAGNOSTICS KJ |