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Home >> Cadillac >> 2013 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Controls/Fuel - Hybrid (LZ1) - DTC P0351 To DTC P3449 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2227 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different variant/trim than selected.
  1. Engine idling, move the related harnesses/connectors at the BARO sensor and at the ECM while observing the scan tool BARO sensor parameter. The scan tool BARO parameter should be steady.
    • If the parameter does not perform as specified, repair the harness/connectors as necessary.
  2. If all circuits test normal, test or replace the BARO sensor.
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