OBD Guide

P2139

Throttle/Pedal Position Sensor/Switch D/F Voltage Correlation

P2139 is an OBD-II diagnostic trouble code meaning: Throttle/Pedal Position Sensor/Switch D/F Voltage Correlation. Common causes: malfunction of the accelerator pedal position sensor, open or short circuit in the sensor circuit. Estimated repair cost: $22โ€“89.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22โ€“89 (est.)

Symptoms

  • Check Engine light comes on
  • The car goes into emergency mode
  • Acceleration problems
  • Unstable engine operation
  • Reduced engine power

Causes

  • Malfunction of the accelerator pedal position sensor
  • Open or short circuit in the sensor circuit
  • Poor contact in connectors
  • Wiring Harness Problems
  • ECU malfunction

How to Fix

  1. Check error codes and sensor data using a scanner
  2. Inspect the wiring and sensor connectors
  3. Check the resistance and voltage of the pedal position sensors
  4. Replace a faulty pedal position sensor
  5. Replace wiring harness if necessary

Related codes

Error P2139 by Vehicle Brand

FAQ

What does the P2139 code mean?

P2139 is an OBD-II diagnostic trouble code that indicates: Throttle/Pedal Position Sensor/Switch D/F Voltage Correlation

What causes a P2139 error code?

The most common causes of P2139 include: Malfunction of the accelerator pedal position sensor; Open or short circuit in the sensor circuit; Poor contact in connectors; Wiring Harness Problems.

How do I fix a P2139 diagnostic trouble code?

To fix P2139: Check error codes and sensor data using a scanner. Inspect the wiring and sensor connectors. Check the resistance and voltage of the pedal position sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2139?

Limited driving only, diagnose soon

How much does it cost to fix P2139?

The estimated repair cost for P2139 is $22โ€“89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat