Circuit/System Testing
WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
For vehicles equipped with a transfer case, review Diagnostic Aids.
- Verify that OSS DTCs P0721, P0722, or P0723 are not set in the TCM.
- If any of the DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Verify that ABS DTCs C0035-C0050, C1207-C1210, C1221-C1228, C1232-C1235, C005A, C0245, or C122E are not set in the electronic brake control module (EBCM).
- If any of the DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Program the control module which set the DTC with the latest software version and retest for DTCs.
- If the DTC resets, replace the control module which set the DTC.