Circuit/System Testing

WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Test for an open or a short to ground in the solenoid valve battery positive voltage circuit.

If battery positive voltage circuit tests normal, replace the EBCM/BPMV assembly.