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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 P24B0-P24B6, P24C7, P24D0, or P24D1 >> 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. Connect a test lamp between the test points : Ignition circuit terminal 6 & Ground
  4. Ignition - On / Vehicle - In Service Mode
  5. Verify the test lamp turns On.
    • If the test lamp does not turn On 
    1. Ignition/Vehicle - Off & Remove - Test lamp & Fuse
    2. Test for less than 2 ohms between the test points : Ignition circuit terminal 6 & The other end of the circuit
      • 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 6 & Ground
    • If less than infinite resistance - Repair the short to ground on the circuit.
    • If infinite resistance - Replace the component : B136 Exhaust Particulate Matter Sensor
    • Go to next step : If the test lamp turns On 
  6. Test or replace the component : B136 Exhaust Particulate Matter Sensor
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