Theres a problem with my CCM. Im having a hard time trying to figure out what the problem is. It wont send hot air it only sends cold air. it happend after i changed my stereo. i did disconnect the battery. I have also tried to change the termistat. thanks for any advice.

These are my fail codes:

Volvo - YV1RS694062541753
0x0040
Air quality sensor Internal fault
0x1A59
Communication with AUM control module Signal missing
0x7700
Engine control module (ECM)
0x135F
Mass air flow (MAF) sensor
0x28E0
Heated oxygen sensor (HO2S)
0x1A59
Communication with AUM control module Signal missing
0x1F00
Tuning software in ECM