Circuit/System Testing: P0324
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:
If DTC P0325, P0326, P0327, P0328, P0330, P0332, or P0333 are also set, diagnostics those DTCs first.
DTC P0324 indicates an internal control module circuitry failure. Replace the ECM.