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Home >> Mazda >> 2021 >> CX-5 Signature >> Repair and Diagnosis >> External Pages >> Different car >> Section 63 (On-Board Diagnostics - Auto A/C) >> DTC U3000-49: Malfunction Inside Climate Control Unit Detected >> Notes
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DTC U3000-49: Malfunction Inside Climate Control Unit Detected: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
System malfunction location Climate control unit internal malfunction
Detection condition 
  • Malfunction inside climate control unit detected.
Fail-safe  -
Possible cause 
  • Climate control unit malfunction
System wiring diagram  -