OBD Guide
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B2557

Vehicle Speed

B2557 is an OBD-II diagnostic trouble code meaning: Vehicle Speed. Common causes: speed 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 speedometer readings
  • Cruise control not working
  • Check Engine Light Illuminates

Causes

  • Speed sensor malfunction
  • Wiring harness damage
  • Problems with the ECU
  • Short circuit in the circuit

How to Fix

  1. Check the speed sensor and its connection
  2. Inspect the wiring harness for damage
  3. Check the speed sensor circuit for an open or short circuit.
  4. Scan the ECU for other errors

Related codes

B2558B2559P0500

FAQ

What does the B2557 code mean?

B2557 is an OBD-II diagnostic trouble code that indicates: Vehicle Speed

What causes a B2557 error code?

The most common causes of B2557 include: Speed sensor malfunction; Wiring harness damage; Problems with the ECU; Short circuit in the circuit.

How do I fix a B2557 diagnostic trouble code?

To fix B2557: Check the speed sensor and its connection. Inspect the wiring harness for damage. Check the speed sensor circuit for an open or short circuit.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2557?

Limited driving only, diagnose soon

How much does it cost to fix B2557?

The estimated repair cost for B2557 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat