Hvac Module issue in Western Star

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by PowderPuff388, Jul 22, 2025 at 10:47 AM.

Jul 22, 2025 at 10:47 AM #1
PowderPuff388 Bobtail Member

34

1

Oct 31, 2012

Alberta

0
2019 Western Star 5700xe
HVAC module acting up,
Fan works on 1 to 4 settings (Only thing that works)
Ac will not turn on
Bunk Button will not work
Recirculation will not work

Checked all fuses and everything is good.
Tried another HVAC Module and still same thing. Stumped! Whatelse could be the issue??
Attached Files:

20250718_225632.jpg

File size:

198.9 KB

Views:

15
PowderPuff388, Jul 22, 2025 at 10:47 AM

PowderPuff388, Jul 22, 2025 at 10:47 AM

#1
Trucking Jobs in 30 seconds

Every month 400 people find a job with the help of TruckersReport.

Wait, employers can't reach you!

Without your consent employers will not be able to contact with job offers, would you like to opt-in now?

Zip

Class A CDL Experience

Please select ALL of your current, valid driver’s licenses

CDL A CDL B CDL C

Please select the number of verifiable months you’ve been driving professionally using your Class A CDL within the last 3 years.

Each company we work with has specific experience requirements for their drivers. In order for you to receive the best possible offers, please make sure your answers above are accurate prior to submitting.

Name

Email

Phone

By checking this box and clicking the "Send me job offers" button below, I represent that I:
1. am 18+ years of age.
2. have read and agree to the TruckersReport Terms of Use and Privacy Policy.
3. agree to receive email marketing from TruckersReport and its Truck Driving Job Partners.

By checking this box and clicking the "Send me job offers" button below. I give my express consent authorizing TruckersReport and its Truck Driving Job Partners to contact me by telephone, which may include artificial or pre-recorded calls and/or text messages, delivered via automated technology to the phone number(s) that I have provided above (for which I am the primary user and subscriber), including wireless number(s), if applicable. I understand that my consent is not required to get job alerts.