Idle Control System RPM Lower Than Expected
| Code | P0506 |
| Description | Idle Control System RPM Lower Than Expected |
| Possible Causes | The engine idle speed is lower than expected. |
| System | Speed/Idle Control |
Idle Control System RPM Lower Than Expected. This diagnostic trouble code (DTC) is stored when the vehicle's onboard computer detects an issue with the speed/idle control.
P = Powertrain code
0 = Generic (SAE standard)