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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 52 (Engine Cooling System) >> Diagnostic Information and Procedures >> Cooling Fan Always On >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that DTCs P0480, P0481, P0691, P0692, P0693 and P0694 are not set.
  2. Ignition ON, verify with a scan tool that the ECM or PCM is not commanding fan activation.
  3. Ignition ON, observe that the fans are not activated.
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