B1255 Ford Code - Left Rear Tire Pressure Sensor and Transmitter Assembly Not Programmed
Quick Answer
The Body Control Module (BCM) monitors the Left Rear Tire Pressure Sensor and Transmitter Assembly. Common causes include Reprogram Left Rear Tire Pressure Sensor and Transmitter Assembly, Faulty Left Rear Tire Pressure Sensor, Faulty Left Rear Tire Transmitter Assembly. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- B1255 Ford indicates Left Rear Tire Pressure Sensor and Transmitter Assembly Not Programmed.
- Common causes
- Common causes include Reprogram Left Rear Tire Pressure Sensor and Transmitter Assembly, Faulty Left Rear Tire Pressure Sensor, Faulty Left Rear Tire Transmitter Assembly.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code B1255 Ford Description
What are the Possible Causes of the DTC B1255 Ford?
- Reprogram Left Rear Tire Pressure Sensor and Transmitter Assembly
- Faulty Left Rear Tire Pressure Sensor
- Faulty Left Rear Tire Transmitter Assembly
- Faulty Body Control Module (BCM)
How to Fix the DTC B1255 Ford?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1255 Ford code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B1255 Ford Code
1. What does the OBDII code B1255 mean on a Ford vehicle?
The code B1255 indicates that the left rear tire pressure sensor and transmitter assembly is not programmed or has lost communication with the vehicle's tire pressure monitoring system (TPMS).
2. What are the symptoms of the B1255 code?
Common symptoms include a TPMS warning light on the dashboard, failure to display tire pressure for the left rear tire, and an inability to reset the TPMS system.
3. What causes the B1255 code to appear?
The code is typically caused by an unprogrammed or faulty left rear tire pressure sensor, loss of signal due to a dead sensor battery, or problems with the TPMS receiver.
4. Can I drive my Ford with the B1255 code?
Yes, you can drive with the B1255 code, but it’s not recommended to ignore the issue as the TPMS will not provide accurate tire pressure monitoring for the left rear tire.
5. How do I fix the B1255 code on my Ford?
The sensor needs to be programmed or replaced if defective. Use a TPMS scan tool to reprogram the sensor or visit a technician for assistance.
6. How do I know if the left rear tire pressure sensor needs replacement?
If programming the sensor fails or the sensor has a dead battery, it will need to be replaced.
7. Can I program the TPMS sensor myself?
Yes, with the right TPMS programming tool and following the manufacturer's instructions, you can program the sensor yourself.
8. What tools are needed to diagnose or repair the B1255 code?
You’ll need a TPMS scan tool or relearn tool and possibly an OBDII scanner to clear the code after fixing the issue.
9. How much does it cost to fix the B1255 code?
The cost depends on whether the sensor needs reprogramming or replacement. Reprogramming is usually inexpensive, while a new sensor can cost $50–$150 plus labor.
10. Can a dead battery in the TPMS sensor trigger the B1255 code?
Yes, a dead sensor battery can prevent the TPMS from communicating, leading to the B1255 code. In this case, the sensor will need to be replaced.
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