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Home >> Chevrolet >> 2022 >> Tahoe PPV, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (3 Of 5)) >> Diagnostic Information and Procedures >> DTC P066A-P066F, P0671-P0676, or P067A-P067F >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.
  1. Ignition/Vehicle - Off
  2. Perform the following learn procedure: Glow Plug Learn
  3. Verify the scan tool parameter: Cylinder 1 - 6 Glow Plug Resistance = Less than 1.8 ohms
    • If 1.8 ohms or greater 

      Replace the component: E12 Glow Plug

    • Go to next step: If less than 1.8 ohms 
  4. All OK.
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