OBD Guide
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U11D4

Lost Pedal Position Message

U11D4 is an OBD-II diagnostic trouble code meaning: Lost Pedal Position Message. Common causes: open or short circuit in the sensor circuit, pedal position sensor malfunction. Estimated repair cost: $28–89.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Loss of engine power
  • Unstable engine operation at idle
  • Accelerator pedal does not respond properly
  • The car goes into emergency mode

Causes

  • Open or short circuit in the sensor circuit
  • Pedal position sensor malfunction
  • Poor contact in connectors
  • Wiring harness damage
  • Problems with the engine control unit

How to Fix

  1. Check the continuity of the pedal position sensor circuit
  2. Inspect connectors and contacts for corrosion or damage
  3. Test the pedal position sensor with a multimeter
  4. Check wiring harness for damage
  5. If necessary, replace the pedal position sensor

Related codes

U0121U0122U0123

FAQ

What does the U11D4 code mean?

U11D4 is an OBD-II diagnostic trouble code that indicates: Lost Pedal Position Message

What causes a U11D4 error code?

The most common causes of U11D4 include: Open or short circuit in the sensor circuit; Pedal position sensor malfunction; Poor contact in connectors; Wiring harness damage.

How do I fix a U11D4 diagnostic trouble code?

To fix U11D4: Check the continuity of the pedal position sensor circuit. Inspect connectors and contacts for corrosion or damage. Test the pedal position sensor with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U11D4?

Limited driving only, diagnose soon

How much does it cost to fix U11D4?

The estimated repair cost for U11D4 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat