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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Control System & Fuel - Hybrid (Hp2) 6.0L (LFA) - DTC P025A To DTC P0700) >> DTC P0641 or P0651 (Set in ECM) >> Circuit/System Verification (Set in ECM)

Circuit/System Verification (Set in ECM)

WARNING: This page is about a different variant/trim than selected.
  1. Observe the scan tool 5-volt reference 1 circuit status and the 5-volt reference 2 circuit status parameters. Verify the parameters display OK.
  2. Ignition ON, observe the DTC information with a scan tool. DTC P0641 and P0651 should not set on this ignition cycle.
  3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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