OBD Guide
ENFRDEESPT

B1251

Tire Pressure Sensor Low Battery No Sub Type Information

B1251 is an OBD-II diagnostic trouble code meaning: Tire Pressure Sensor Low Battery No Sub Type Information. Common causes: low tpms battery, tpms sensor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Tire pressure indicator is on
  • Missing pressure data for one or more tires
  • False TPMS alarms

Causes

  • Low TPMS Battery
  • TPMS sensor malfunction
  • Sensor damage (mechanical or corrosion)

How to Fix

  1. TPMS diagnostics to identify the problem sensor
  2. Replacing the sensor battery (if possible)
  3. Replacing the TPMS sensor assembly
  4. Retraining the TPMS after replacement

Related codes

B1252B1253C1710

FAQ

What does the B1251 code mean?

B1251 is an OBD-II diagnostic trouble code that indicates: Tire Pressure Sensor Low Battery No Sub Type Information

What causes a B1251 error code?

The most common causes of B1251 include: Low TPMS Battery; TPMS sensor malfunction; Sensor damage (mechanical or corrosion).

How do I fix a B1251 diagnostic trouble code?

To fix B1251: TPMS diagnostics to identify the problem sensor. Replacing the sensor battery (if possible). Replacing the TPMS sensor assembly. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1251?

Limited driving only, diagnose soon

How much does it cost to fix B1251?

The estimated repair cost for B1251 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat