P256D - Engine Idle Speed Selector Sensor/Switch Circuit High
P256D is a generic powertrain diagnostic trouble code indicating Engine Idle Speed Selector Sensor/Switch Circuit High. It relates to the Vehicle Speed / Idle Control / Aux Inputs system.
DTC Breakdown (SAE J2012)
| System | Powertrain (P) |
| Type | Generic |
| Subsystem | Vehicle Speed / Idle Control / Aux Inputs |
| Fault Index | 6D |
| Standard | SAE J2012 / ISO 15031-6 |
What does diagnostic code P256D mean?
The dtc/">diagnostic trouble code P256D represents Engine Idle Speed Selector Sensor/Switch Circuit High. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.
Detailed diagnostic guides and specific fix procedures for code P256D are currently being compiled. Always verify check engine warnings with a qualified mechanic.
Frequently Asked Questions about P256D
What does P256D mean?
The diagnostic trouble code P256D represents Engine Idle Speed Selector Sensor/Switch Circuit High. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.
What is the system for P256D?
The P256D code is located in the vehicle's Powertrain network.