DTC 20

Check Engine Light indicates trouble code 20:

Most likely a problem in the Electric Load Detector Circuit.

DTC 20: Electrical Load Detector (ELD) (Part 1 Of 3):

DTC 20: Electrical Load Detector (ELD) (Part 2 Of 3):

DTC 20: Electrical Load Detector (ELD) (Part 3 Of 3):

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.