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P0750-LR SOLENOID CIRCUIT (CONTINUED) For the Transmission circuit diagram (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - 42RLE - SCHE- For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes RELATED TRANSMISSION RELAY DTCS PRESENT (T20) LR SOLENOID CONTROL CIRCUIT OPEN (T20) LR SOLENOID CONTROL CIRCUIT SHORT TO GROUND (T20) LR SOLENOID CONTROL CIRCUIT SHORT TO VOLTAGE TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY POWERTRAIN CONTROL MODULE Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 21 - TRANSMIS- Theory of Operation Four solenoids are used to control the friction elements (clutches). The continuity of the solenoids circuits are peri- Diagnostic Test 1. DETERMINING IF RELATED RELAY DTCS ARE PRESENT With the scan tool, read Transmission DTCs Are there any Transmission Control Relay DTCs present also? Yes >> Refer to the Transmission category and perform the appropriate diagnostic procedure. Perform 42RLE TRANSMISSION VERIFICATION TEST - VER 1. No >> Go To 2 2. CHECK TO SEE IF P0750 IS CURRENT With the scan tool, view DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter for P0750 set at 0? Yes >> Go To 3 No >> Go To 9 HB AUTOMATIC TRANSMISSION 42RLE - ELECTRICAL DIAGNOSTICS 21 - 73 |