Heater not working and obd codes

2000 CADILLAC ESCALADE
183,762 MILES • 5.7L • V8 • 4WD • AUTOMATIC
Avatar
JR47
  • MEMBER
  • 115 POSTS
The CEL is on for the codes P0161 and P0141 and the heater control that has the different levels that control how fast the air blows out doesn't work. What do I need to do to fix this and can I get a diagram of where those sensors are located if possible.
Dec 28, 2015 at 6:07 PM
Advertisement
Avatar
HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
the codes are for O2 sensors behind converters.it is bank 1 &2 we don't have diagrams for that for heater control check the wiring leading to blower it may be burnt up. there is a repair harness /resistor for it if it'smanual control. but check fuses both under hood and in car as well as blower relay under hood on top of heater housing. then get it scanned for codes for heater a local pro will have to do that.
Dec 29, 2015 at 6:58 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.