Driver and passenger seat heaters do not work

123,000 MILES • V6 • TURBO • 4WD • AUTOMATIC
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BGBARRY1987
  • MEMBER
  • 1 POST
Both front seats do not work, climate module shows it on but no heat.
Oct 22, 2021 at 5:38 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Hi,

The first thing I recommend is to check fuse number 28 in the under-hood fuse box. In addition to checking the fuse itself, I need you to confirm there is power to and from the fuse. Here is a link that you may find helpful.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Also, I attached the wiring schematic below (pics 1 and 2), so you have a reference. The fuse I mentioned powers the climate-controlled seat module. From there, power is sent to the seat heaters. This is where we need to start.

Let me know what you find or if you have questions. Also, let me know if both seats failed at the same time.

The last pic below shows the fuse to check in the battery junction box.

Take care,

Joe

See pics below.
Oct 22, 2021 at 2:29 PM
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