DTC 19

Check Engine Light indicates trouble code 19:

Most likely a problem in the Lock-Up Control Solenoid Circuit.

DTC 19: Lock-Up Control Solenoid Valve (A/T) (Part 1 Of 2):

DTC 19: Lock-Up Control Solenoid Valve (A/T) (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.