Engine Control System

Check Engine Light blinks seven times:

Most likely a problem in the Automatic Transmission FI Signal B Circuit.

DTC 31: A/T FI Signal B (Part 1 Of 2):

DTC 30: A/T FI Signal B (Part 2 Of 2):

The Check Engine warning light may come on, indicating a system problem, when, in fact, there is a poor or intermittent electrical connection. First, check the electrical connections, clean or repair connections if necessary.