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Home >> Chevrolet >> 2023 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (5 Of 5)) >> Diagnostic Information and Procedures >> DTC P24D0 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different variant/trim than selected.
  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector: B136 Exhaust Particulate Matter Sensor
  3. Ignition - On/Vehicle - In Service Mode
  4. Test for battery voltage between the test points: Ignition circuit terminal 4@ & Ground
    • If less than battery voltage 
    1. Ignition/Vehicle - Off
    2. Test for less than 2 ohms between the test points: Ignition circuit terminal 4@Component harness & Output terminal@F7UB Fuse
      • If 2 ohms or greater - Repair the open/high resistance in the circuit.
      • Go to next step: If less than 2 ohms
    3. Test for infinite resistance between the test points: Ignition circuit terminal 4 & Ground
    • If less than infinite resistance - Repair the short to ground on the circuit.
    • If infinite resistance - Verify the fuse is OK and there is voltage at the fuse.
    • Go to next step: If battery voltage 
  5. Test or replace the component: B136 Exhaust Particulate Matter Sensor
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