P0506

Diagnostic Chart:

The electronic throttle control body controls the idle speed by allowing a controlled amount of air to enter the intake manifold. Actual idle sped is continuously compared to commanded idle speed. This code will set if the actual speed is at least 100 rpm less than the commanded value.

DTC PARAMETERS
This code will set when the following conditions have been met:
^ IAT greater than 34°C (93°F)
^ ECT greater than 80°C (176°F)
^ EVAP diagnostic not running
^ Vehicle Speed zero mph
^ Actual engine RPM less than 100 RPM from desired
^ No TP, VCC, ECT, IAT, EVAP codes set.

DTC P0506 is a (type B) DTC.

DIAGNOSTIC AIDS
Verify this condition is not caused by the throttle body or a vacuum leak.

Check for a poor connection at the ECM or at the component.

Check for a damaged harness.