2004 Silverado 5.3 PO753

[LouieC]

I keep getting a PO753 code 1-2 shift solenoid.. I am not having any 1st gear or 4th gear issues the fluid is clean and full If I trigger the solenoid with my Tec 2 it operates fine I get a Fail Pass message everything seems to be working fine no gas mileage issues no slipping just a light any suggestions ??

[gmtech4]

I keep getting a PO753 code 1-2 shift solenoid.. I am not having any 1st gear or 4th gear issues the fluid is clean and full If I trigger the solenoid with my Tec 2 it operates fine I get a Fail Pass message everything seems to be working fine no gas mileage issues no slipping just a light any suggestions ??

 

I suggest diagnosing the code step by step .,

 

All you're doing is playing with a scanner