OBD Guide

U0681

Lost Communication With Throttle/Pedal Position Sensor/Switch D

U0681 is an OBD-II diagnostic trouble code meaning: Lost Communication With Throttle/Pedal Position Sensor/Switch D. Common causes: open or short circuit in the sensor circuit, throttle/pedal position sensor malfunction. Estimated repair cost: $17–67.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Check Engine light comes on
  • Unstable engine idling
  • Dips when pressing the gas pedal
  • Reduced engine power
  • Activating emergency engine operation

Causes

  • Open or short circuit in the sensor circuit
  • Throttle/pedal position sensor malfunction
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Engine ECU malfunction

How to Fix

  1. Check the integrity of the sensor circuit (open/short circuit)
  2. Inspect the connectors and contacts of the sensor
  3. Check the resistance of the position sensor
  4. Scan for other related error codes
  5. If necessary, replace the position sensor

Related codes

Error U0681 by Vehicle Brand

FAQ

What does the U0681 code mean?

U0681 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Throttle/Pedal Position Sensor/Switch D

What causes a U0681 error code?

The most common causes of U0681 include: Open or short circuit in the sensor circuit; Throttle/pedal position sensor malfunction; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a U0681 diagnostic trouble code?

To fix U0681: Check the integrity of the sensor circuit (open/short circuit). Inspect the connectors and contacts of the sensor. Check the resistance of the position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0681?

Limited driving only, diagnose soon

How much does it cost to fix U0681?

The estimated repair cost for U0681 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat