OBD Guide
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C2774

Pedal Travel Sensor Plausibility Failure

C2774 is an OBD-II diagnostic trouble code meaning: Pedal Travel Sensor Plausibility Failure. Common causes: pedal travel sensor malfunction, wiring harness damage. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable engine operation
  • Dips when pressing the gas pedal
  • Activating emergency mode
  • Check Engine Light Illuminates

Causes

  • Pedal travel sensor malfunction
  • Wiring harness damage
  • Contact corrosion
  • Problems with the ECU
  • Mechanical damage to the pedal

How to Fix

  1. Check the condition of the pedal travel sensor
  2. Inspect the wiring harness for damage
  3. Check contacts for oxidation
  4. Test the sensor using a diagnostic scanner
  5. If necessary, replace the sensor or wiring harness

Related codes

P2122P2123P2127P2128

FAQ

What does the C2774 code mean?

C2774 is an OBD-II diagnostic trouble code that indicates: Pedal Travel Sensor Plausibility Failure

What causes a C2774 error code?

The most common causes of C2774 include: Pedal travel sensor malfunction; Wiring harness damage; Contact corrosion; Problems with the ECU.

How do I fix a C2774 diagnostic trouble code?

To fix C2774: Check the condition of the pedal travel sensor. Inspect the wiring harness for damage. Check contacts for oxidation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C2774?

Limited driving only, diagnose soon

How much does it cost to fix C2774?

The estimated repair cost for C2774 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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