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Home >> Buick >> 2011 >> Regal CXL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.4L - DTC P0685 Through P2635 >> DTC P2544 >> Circuit/System Verification

Circuit/System Verification

  1. DTC P2544 is an informational DTC. Diagnose all other engine control DTCs prior to DTC P2544. Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
  2. If there are no other engine controls DTCs, diagnosis is accomplished by looking for an intermittent CAN circuit fault. Refer to Scan Tool Does Not Communicate with High Speed GMLAN Device .
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