48RE won't shift into second - Dodge Diesel - Diesel Truck Resource Forums

3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

48RE won't shift into second

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Old 10-10-2018, 09:06 AM
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48RE won't shift into second

My 2007 48RE won't shift into second unless I feather the throttle and then will go back into first if I give it too much throttle. After which it shifts just fine into upper gears. I have replaced the gov pressure solenoid and pressure transducer with the GM upgrade but it didn't help. I have 178K on stock trans. Any ideas?
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