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P0748-PRESSURE SOL CONTROL/TRANS RELAY CIRCUITS (GAS) (CONTINUED) For the Transmission circuit diagram (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - 48RE - SCHE- For a complete wiring diagramRefer to Section 8W Theory of Operation The Governor Pressure Solenoid is used to control governor pressure. Governor pressure is used to shift between • When Monitored: • Set Condition: Possible Causes FUSED B+ CIRCUIT OPEN (T16) TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN (T16) TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT SHORT TO GROUND (T118) GOVERNOR PRESSURE SOLENOID CONTROL CIRCUIT OPEN (T118) GOVERNOR PRESSURE SOLENOID CONTROL CIRCUIT SHORT TO GROUND (T118) GOVERNOR PRESSURE SOLENOID CONTROL CIRCUIT SHORT TO VOLTAGE (T118) GOVERNOR PRESSURE SOLENOID CONTROL CIRCUIT SHORT TO ANOTHER CIRCUIT TRANSMISSION CONTROL RELAY - POOR CONTACTS GOVERNOR PRESSURE SOLENOID POWERTRAIN CONTROL MODULE Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 21 - TRANSMIS- Diagnostic Test 1. CHECK IF THE DTC P0882 IS PRESENT Ignition on, engine not running. With the scan tool, read Engine DTCs. Is the DTC P0882 present also? Yes >> Refer to the Transmission category and perform the appropriate symptom. (Refer to 21 - TRANSMIS- SION/TRANSAXLE/AUTOMATIC - 48RE - DIAGNOSIS AND TESTING) No >> Go To 2 21 - 732 AUTOMATIC TRANSMISSION - 48RE - GAS - ELECTRICAL DIAGNOSTICS DR/DH |