DTC P1588: Throttle Control Detected Loss Of Return Spring
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
P1588 - THROTTLE CONTROL DETECTED LOSS OF RETURN SPRING
| Description: | The powertrain control module (PCM) tests the electronic throttle for the ability of the throttle plate to return to the default (limp home) position from both the open and closed positions. This DTC sets if the throttle does not return to the default (limp home) position. | ||
| Possible Causes: |
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| Diagnostic Aids: | Visually inspect the throttle plate for an obstruction. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST DV . | ||