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P1790-FAULT IMMEDIATELY AFTER SHIFT For the Transmission circuit diagram (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - 45RFE/545RFE - For a complete wiring diagram Refer to Section 8W • When Monitored: • Set Condition: Possible Causes FAULT AFTER SHIFT Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 21 - TRANSMIS- Theory of Operation This DTC will only be stored along with a gear ratio DTC. If this DTC is set, it indicates a probable hydraulic (line INTENDED GEAR CLUTCHES APPLYING RECOMENDED DTC REVERSE UD** - MS P0738 1ST UD - LR* P0731 2ND UD - 2C P0732 2ND PRIME UD - 4C P1736 3RD UD - OD/MS P0733 4TH OD/MS - 2C P0734 5TH OD/MS - 2C P0735 * L/R is used only up to 150 output RPM in 1st gear. ** UD will show as applied in Reverse but the UD clutch is actually released. OD/MS is OD and/or MS. Diagnostic Test 1. INTENDED GEAR TO APPLIED CLUTCH With the scan tool, check the EATX DTC EVENT DATA to determine in which gear the slippage occurred and the With the EATX DTC EVENT DATA, use the information provided above to determine the proper symptom for diag- View repair Repair Refer to the Transmission category and perform the appropriate symptom identified from the EATX DTC Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. 21 - 270 AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS WK |