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Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> 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 P2002 >> 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:
    • B9 Ambient Air Temperature Sensor
    • B17 Barometric Pressure Sensor
    • B26 Crankshaft Position Sensor
    • B34 Engine Coolant Temperature Sensor
    • B47B Fuel Rail Pressure Sensor
    • B65 Intake Manifold Pressure and Air Temperature Sensor
    • B75C Multifunction Intake Air Sensor
    • B115 Vehicle Speed Sensor
    • B130 Exhaust Gas Recirculation Temperature Sensor
    • B131 Exhaust Temperature Sensor
    • B136 Exhaust Particulate Matter Sensor
    • B154 Diesel Particulate Filter Exhaust Differential Pressure Sensor
    • B195 Nitrogen Oxides Sensor
    • B345R Exhaust Pressure Differential Sensor - Exhaust Gas Recirculation
    • M103 Turbocharger Vane Position Actuator
    • Q14 Exhaust Gas Recirculation Valve
    • Q17 Fuel Injector
    • Q38 Throttle Body
    • Go to next step: If a related DTC is not set 
  3. Verify the following conditions do not exist:
    • If a condition exists 

      Repair or replace as necessary

    • Go to next step: If no condition exists 
  4. All OK.