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Home >> Chevrolet >> 2022 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (5 Of 5)) >> Diagnostic Information and Procedures >> DTC P244C >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Verify the integrity of the entire air induction system and exhaust system, including all turbocharger components by inspecting for the conditions listed below:
    • Leaks or restrictions in the hoses and pipes to the B136 Exhaust Differential Pressure Sensor
    • Damage to induction system components, including the turbocharger and charge air cooler
    • Loose or improperly installed components
    • Air flow restrictions
    • Exhaust leaks, including the mating surface between the turbocharger and exhaust manifold
    • If a condition is found 

      Repair as necessary

    • Go to next step: If no condition is found 
  2. Perform the Diesel Particulate Filter Service Regeneration.
  3. Verify the regeneration completed.
    • If the regeneration did not complete 

      Replace the Diesel Particulate Filter

    • Go to next step: If the regeneration completed 
  4. All OK.
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