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Home >> Cadillac >> 2010 >> Escalade EXT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 5.3L, 6.0L, 6.2L - DTC P1255 To DTC P3449 >> DTC P1380 or P1381 >> Circuit/System Verification

Circuit/System Verification

    NOTE: If an UXXXX DTCs are set, diagnose those first.
  1. Engine idling, observe the EBCM DTC information with a scan tool. EBCM DTCs should not set.
  2. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.