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Home >> Chevrolet >> 2022 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (4 Of 5)) >> Diagnostic Information and Procedures >> DTC P1473 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify there are no DTCs set related to the following component/system:
    • B17 Barometric Pressure Sensor
    • B34 Engine Coolant Temperature Sensor
    • B65 Intake Manifold Pressure and Air Temperature Sensor
    • B75C Multifunction Intake Air Sensor
    • B131 Exhaust Temperature Sensor
    • Go to next step: If a related DTC is not set 
  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.

    Verify the DTC does not set.

    • If the DTC sets 

      Replace the component: B136 Exhaust Particulate Matter Sensor

    • Go to next step: If the DTC does not set 
  4. All OK.
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