P2138
Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation
2012-2018 Ford Focus Electric Electric Motor 🇩🇪
Critical SeverityPowertrain
Description
The dual accelerator pedal position sensors report conflicting values.
Symptoms
- Limp mode
- No throttle response
- Check engine light
- Engine at idle only
Common Causes
- Failed APP sensor
- Corroded pedal connector
- Wiring fault
- 5V reference issue
Diagnostic Steps
- Check APP sensor D and E voltages
- Verify 5V reference
- Inspect pedal connector
Repair Notes
Replace accelerator pedal assembly. Check shared 5V reference circuit.
Related Codes
Other Powertrain Codes
- P0070Ambient Air Temperature Sensor Circuit
- P0071Ambient Air Temperature Sensor Range/Performance
- P0072Ambient Air Temperature Sensor Circuit Low
- P0073Ambient Air Temperature Sensor Circuit High
- P0115Engine Coolant Temperature (ECT) Sensor 1 Circuit
- P0116ECT Sensor 1 Circuit Range/Performance
- P0117ECT Sensor 1 Circuit Low Input
- P0118ECT Sensor 1 Circuit High Input
- P0119ECT Sensor 1 Circuit Intermittent
- P0125Insufficient Coolant Temperature for Closed Loop Fuel Control
P2138 on Other Vehicles
Common Questions
What does code P2138 mean on a 2012-2018 Ford Focus Electric?
P2138 stands for "Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation". The dual accelerator pedal position sensors report conflicting values.
What are the symptoms of P2138 on a Ford Focus Electric?
Common symptoms of P2138 include: Limp mode, No throttle response, Check engine light, Engine at idle only.
What causes P2138 on a 2012-2018 Ford Focus Electric?
Common causes of P2138 include: Failed APP sensor, Corroded pedal connector, Wiring fault, 5V reference issue.