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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (3 Of 3)) >> Diagnostic Information and Procedures >> DTC P2BAA >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Verify that DTCs P0070, P0071, P0072, P0073, P0074, P00C7, P00E9, P00EA, P00EB, P00EC, P0100, P0101, P0102, P0103, P0106, P0107, P0108, P0111, P0112, P0113, P0114, P0116, P0117, P0118, P0119, P0128, P0201, P0202, P0203, P0204, P020A, P020B, P020C, P020D, P0216, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P02EE, P02EF, P02F0, P02F1, P0405, P0406, P049D, P0502, P0503, P062B, P062D, P0722, P0723, P111E, P1248, P1249, P124A, P124B, P126A, P202E, P2147, P2148, P2150, P2151, P2227, P2228, P2229, or P2230 are not set.
    • If any of the DTCs are set 
    1. Refer to Diagnostic Trouble Code (DTC) List - Vehicle for further diagnosis.
    2. Perform the scan tool Reductant System Tamper Warning Service Bay Test after diagnosing other DTCs
      • If the test does not pass

        Refer to Circuit/System Testing.

      • Go to next step : If the test passes

        Go to next step : All OK.

    • Go to next step : If no other DTCs are set 
  2. Verify that DTC P2BAA is not set
    • If the DTC is set 

      Refer to Circuit/System Testing

    • Go to next step : If no DTC is set 
  3. All OK.
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