OBD Guide
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B1D57

Adjustable Pedal Sensor Circuit High

B1D57 is an OBD-II diagnostic trouble code meaning: Adjustable Pedal Sensor Circuit High. Common causes: adjustable pedal 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

  • Incorrect operation of the gas pedal
  • Increased voltage in the adjustable pedal sensor circuit
  • Floating idle speed
  • Acceleration problems

Causes

  • Adjustable pedal sensor malfunction
  • Wiring harness damage
  • Short circuit
  • Eating problems
  • Oxidation of contacts
  • ECU malfunction

How to Fix

  1. Check the integrity and condition of the wiring harness
  2. Check the connectors and contacts of the sensor for oxidation
  3. Check the voltage in the sensor circuit
  4. Replace the adjustable pedal sensor if necessary
  5. Check the operation of the ECU (reflash or replace if necessary)

Related codes

P2122P2127P2138

FAQ

What does the B1D57 code mean?

B1D57 is an OBD-II diagnostic trouble code that indicates: Adjustable Pedal Sensor Circuit High

What causes a B1D57 error code?

The most common causes of B1D57 include: Adjustable pedal sensor malfunction; Wiring harness damage; Short circuit; Eating problems.

How do I fix a B1D57 diagnostic trouble code?

To fix B1D57: Check the integrity and condition of the wiring harness. Check the connectors and contacts of the sensor for oxidation. Check the voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1D57?

Limited driving only, diagnose soon

How much does it cost to fix B1D57?

The estimated repair cost for B1D57 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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