Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSFORD2009FUSION SEL, 3.0 1, FWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID)DTC DIAGNOSISDTC P2123: - THROTTLE/PEDAL POSITION SENSOR/SWITCH D CIRCUIT HIGH
2009 Ford Fusion SEL, 3.0 1, FWD
DTC P2123: - Throttle/Pedal Position Sensor/Switch D Circuit High
2009 Ford Fusion SEL, 3.0 1, FWDSECTION DTC P2123: - Throttle/Pedal Position Sensor/Switch D Circuit High
DTC P2123: - THROTTLE/PEDAL POSITION SENSOR/SWITCH D CIRCUIT HIGH
| Description: | The accelerator pedal position (APP) sensor 1 is out of self-test range high. | ||
| Possible Causes: |
|
||
| Diagnostic Aids: | An APP1 sensor PID reading may indicate a concern. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test DK . | ||
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.