B1254 Right Rear Tire Pressure Sensor and Transmitter Assembly Not Programmed

OBD2 Code: B1254

Description: Right rear tire pressure sensor and transmitter assembly not programmed.

Definition: This code indicates that the right rear tire pressure sensor and its corresponding transmitter assembly have not been properly programmed or recognized by the vehicle’s onboard computer system. This can result in inaccurate or missing tire pressure readings for the affected wheel.

B1254 – Right Rear Tire Pressure Sensor and Transmitter Assembly Not Programmed

Severity: Moderate

Common Causes

B1254 – Right Rear Tire Pressure Sensor and Transmitter Assembly Not Programmed

Common Causes:

• Defective tire pressure sensor
• Incorrect installation of the sensor
• Low tire pressure in the right rear tire
• Faulty transmitter assembly
• Communication issues between the sensor and the vehicle’s system

Common Misdiagnosis

OBD2 Code: B1254

Description: Right rear tire pressure sensor and transmitter assembly not programmed.

Common Misdiagnosis: Replacing the tire pressure sensor without attempting to reprogram or relearn the existing sensor.

Common Diagnostic Steps

OBD2 Code: B1254
Description: Right rear tire pressure sensor and transmitter assembly not programmed

• Verify the right rear tire pressure sensor is installed correctly.
• Check for any physical damage to the sensor or transmitter assembly.
• Ensure that the tire pressure monitoring system (TPMS) is activated in the vehicle’s settings.
• Use a TPMS scan tool to check for communication with the right rear tire pressure sensor.
• If no communication, attempt to reprogram or relearn the sensor using a TPMS tool according to manufacturer instructions.
• Inspect wiring and connectors related to the TPMS for corrosion, damage, or disconnection.
• If issues persist, replace the right rear tire pressure sensor and perform a new programming procedure.