Circuit/System Verification
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition - On / Vehicle - In Service Mode
- Verify DTC P1474, P1475, P1476, P1477, P1478, P16D7, P16D8, P16D9, P24B0, P24B1, P24B3, P24B5, P24B6, P24D0, U02A3 is not set.
- If any DTC is set
- Go to next step: If no DTC is set
- Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
Verify DTC P142B, P142C, P142D, P142E, P142F, P1435, P1436 is not set.
- If any of the DTCs are set
Replace the component: B136 Exhaust Particulate Matter Sensor
- Go to next step: If none of the DTCs are set
- If any of the DTCs are set
- All OK.