DTC 14

Check Engine Light indicates trouble code 13:
A problem in the Idle Air Control (IAC) Valve circuit.

DTC 14: Idle Air Control (IAC) Valve (Part 1 Of 2):

DTC 14: Idle Air Control (IAC) Valve (Part 2 Of 2):

The Idle Air Control (IAC) Valve changes the amount of air bypassing the throttle body in response to a current signal from the ECU in order to maintain the proper idle speed

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.