code p1481 on trial blazers

Asked by Oct 21, 2019 at 08:27 PM about the 2002 Chevrolet TrailBlazer LS 4WD

Question type: Maintenance & Repair

I I have p1481 code on trailblazer I remplace the fan  
clutch but still have the same problem I es to know
if can help me to finde fix the problem please ?

2 Answers


Check the wiring harness that is attached to the fan shroud on the drivers side. Little black plastic piece that it's attached to.


Forgot about something. Swap fan relay #45 with HDM relay #46 under the hood, delete the code, see if it comes back. Process of elimination, and it's free.

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