OBD Guide

B124D

Tire Pressure Sensor General Signal Failure

B124D is an OBD-II diagnostic trouble code meaning: Tire Pressure Sensor General Signal Failure. Common causes: low tpms battery, mechanical damage to the sensor. 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
  • No tire pressure data on display
  • False low pressure warnings

Causes

  • Low TPMS Battery
  • Mechanical damage to the sensor
  • Oxidation of contacts or break in the wiring harness
  • Pressure control module malfunction
  • Problems with the signal reception antenna

How to Fix

  1. Diagnose the TPMS module with a scanner
  2. Check the condition of the batteries in the sensors
  3. Inspect sensors for damage
  4. Check connections and module wiring harness
  5. If necessary, replace faulty sensors or module

Related codes

FAQ

What does the B124D code mean?

B124D is an OBD-II diagnostic trouble code that indicates: Tire Pressure Sensor General Signal Failure

What causes a B124D error code?

The most common causes of B124D include: Low TPMS Battery; Mechanical damage to the sensor; Oxidation of contacts or break in the wiring harness; Pressure control module malfunction.

How do I fix a B124D diagnostic trouble code?

To fix B124D: Diagnose the TPMS module with a scanner. Check the condition of the batteries in the sensors. Inspect sensors for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B124D?

Limited driving only, diagnose soon

How much does it cost to fix B124D?

The estimated repair cost for B124D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat