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P0845-2C HYDRAULIC PRESSURE TEST (CONTINUED) 16. (T147) 2C PRESSURE SWITCH SENSE CIRCUIT SHORT TO ANOTHER CIRCUIT Disconnect all PCM harness connectors. Disconnect the Transmission Solenoid/TRS Assembly harness connec- NOTE: Make sure the Transmission Solenoid/TRS Assembly har- NOTE: Check connectors - Clean/repair as necessary. Is the resistance below 5.0 ohms between the (T147) 2C Pres- Yes >> Repair the (T147) 2C 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 Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. 17. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the EATX DTC EVENT DATA to help identify the conditions in which the DTC was set. If the EATX DTC EVENT DATA shows the DTC P0845 set while the Line Pressure was significantly below the Where there any problems found? Yes >> Repair as necessary. Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. No >> Test Complete. 21 - 532 AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS ND |