DTC P0A27 Chevrolet

Description

Case 1 (Low voltage) Enable Conditions When Vign lt; 9.5 V ± 0.5 V is continued for 500 msec during Vref gt; = 4.35 mph. When Vign lt; 8.5 V ± 0.5 V is continued for 500 msec during Vref lt; 4.35 mph. - If IGN voltage is recovered to normal operating voltage, the system recovers to normal state. Case 2 (Under voltage) Enable Conditions When Vign lt; 7.2 V ± 0.5 V is continued for 56 msec. - If IGN voltage is recovered to normal operating voltage, the system recovers to normal state.