What causes an automatic transmission to not go into gear?

Transmission won't engage or stay in gear

If when you put your vehicle into gear and it won't move, this may be a problem with low transmission fluid due to a leak, the shifter, shifter cable, or it could even be a problem in the valve body of your automatic transmission. via

How much does it cost to fix a Escalade transmission?

The average cost for a Cadillac Escalade ESV automatic trans shift cable replacement is between $247 and $289. Labor costs are estimated between $158 and $200 while parts are priced at $89. This range does not include taxes and fees, and does not factor in your specific model year or unique location. via