Circuit/System Verification
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON/Vehicle in Service Mode.
- Verify that DTC P0602 or P0610 is not set.
- If any of the DTCs are set
- Program the control module that sets the DTC.
- Verify that the DTC does not set.
- If the DTC sets, replace the control module that sets the DTC.
- Go to next step: If the DTC does not set
- All OK.
- Go to next step: If none of the DTCs are set
- Verify that DTC P0601, P0603, P0604, P0605, P0606, P0607, P060A, P060B, P060C, P062F, P16E9, P16EA, P16EB, P16EC, P16ED, P16EE, P16EF, P16F0, P262B, P30D6, P30D7, P30D8, P30D9, P30DA, P30DB, P30DC, P30DD, or P3186 is not set.
- If any of the DTCs are set
Replace the control module that sets the DTC.
- Go to next step: If none of the DTCs are set
- If any of the DTCs are set
- All OK