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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 2.0L (LSY) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P1178 or P1179 >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition - On/Vehicle - In Service Mode
  2. Verify DTC P1178, P1179 is not set.
    • If the DTC is set 

      Replace the component: K111 Fuel Pump Driver Control Module

    • Go to next step: If the DTC is not set 
  3. All OK.
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