P2121 - Throttle/Pedal Position Sensor/Switch D Circuit Range/Performance
P2121 is a generic powertrain diagnostic trouble code indicating Throttle/Pedal Position Sensor/Switch D Circuit Range/Performance. It relates to the Fuel & Air Metering system.
DTC Breakdown (SAE J2012)
| System | Powertrain (P) |
| Type | Generic |
| Subsystem | Fuel & Air Metering |
| Fault Index | 21 |
| Standard | SAE J2012 / ISO 15031-6 |
What does diagnostic code P2121 mean?
The dtc/">diagnostic trouble code P2121 represents Throttle/Pedal Position Sensor/Switch D Circuit 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 P2121 are currently being compiled. Always verify check engine warnings with a qualified mechanic.
Frequently Asked Questions about P2121
What does P2121 mean?
The diagnostic trouble code P2121 represents Throttle/Pedal Position Sensor/Switch D Circuit Range/Performance. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.
What is the system for P2121?
The P2121 code is located in the vehicle's Powertrain network.