P256B - Engine Idle Speed Selector Sensor/Switch Range/Performance
P256B is a generic powertrain diagnostic trouble code indicating Engine Idle Speed Selector Sensor/Switch Range/Performance. 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 | 6B |
| Standard | SAE J2012 / ISO 15031-6 |
What does diagnostic code P256B mean?
The dtc/">diagnostic trouble code P256B represents Engine Idle Speed Selector Sensor/Switch Range/Performance. 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 P256B are currently being compiled. Always verify check engine warnings with a qualified mechanic.
Frequently Asked Questions about P256B
What does P256B mean?
The diagnostic trouble code P256B represents Engine Idle Speed Selector Sensor/Switch Range/Performance. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.
What is the system for P256B?
The P256B code is located in the vehicle's Powertrain network.