4l60E issues! Need a shop in socal?

[driving]

So I went M6 with my camaro but my girlfriend went Auto. now she's got issues after recent rebuild. Wondering where to take the auto in socal for check up. P1870 "Slipping code" Where to go. I went to probuilt for my auto in the last SS but hes strickly rebuilds! :giveup:

[Pro Built Automatics]

Call Harry at HK Motorsports 818 9089650. He is in the Glendale area, tell him I sent you.

[camarojunky74]

if you want info on this po code i can give it to you if your still checking your thread!!! dont replace the trans just yet!!! wait

[camarojunky74]

give you important info on this code