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11/06/2022 2:16 pm
Topic starter
- Working on a 03 yukon xl 5.3 It keeps blowing the IGN 0 fuse and gose in to limp mode with these engin codes. P0740 Torque Converter Clutch Circuit/Open P0753 Shift Solenoid 'A' Electrical A P0758 Shift Solenoid 'B' Electrical P0785 Shift/Timing Solenoid P1860.
1 Answer
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11/06/2022 3:42 pm
Something is shorting out and with those codes it's probably a transmission solenoid.
Maybe try unplugging the wiring connector on the transmission and see if the fuse still blows.
If it doesn't blow, grab a pinout of the transmission connector and use a multimeter to determine which solenoid is shorting.
