OBD Guide
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B1255

Left Rear Tire Pressure Sensor and Transmitter Assembly Not Programmed

B1255 is an OBD-II diagnostic trouble code meaning: Left Rear Tire Pressure Sensor and Transmitter Assembly Not Programmed. Common causes: the pressure sensor in the left rear wheel is not programmed, pressure sensor malfunction. Estimated repair cost: $22–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • The tire pressure indicator on the dashboard is on
  • Lack of data on pressure in the left rear wheel
  • Tire pressure monitoring system malfunction

Causes

  • The pressure sensor in the left rear wheel is not programmed
  • Pressure sensor malfunction
  • Pressure sensor damage
  • Problems with the wiring harness or connectors

How to Fix

  1. Check the condition of the pressure sensor in the left rear wheel
  2. Program the sensor using special equipment
  3. Replace sensor if necessary
  4. Check the integrity of the wiring harness and connectors

Related codes

B1256B1257B1258

FAQ

What does the B1255 code mean?

B1255 is an OBD-II diagnostic trouble code that indicates: Left Rear Tire Pressure Sensor and Transmitter Assembly Not Programmed

What causes a B1255 error code?

The most common causes of B1255 include: The pressure sensor in the left rear wheel is not programmed; Pressure sensor malfunction; Pressure sensor damage; Problems with the wiring harness or connectors.

How do I fix a B1255 diagnostic trouble code?

To fix B1255: Check the condition of the pressure sensor in the left rear wheel. Program the sensor using special equipment. Replace sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1255?

Limited driving only, diagnose soon

How much does it cost to fix B1255?

The estimated repair cost for B1255 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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