DTC 4

Self-diagnosis LED indicator blinks four times:

Most likely a problem in the TDC/Crank Sensor.

Part 1 Of 2:

Part 2 Of 2:

The Check Engine warning light and ECU LED 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.