OBD Guide
ENFRDEESPT

P1B12

Driver Intended Brake Torque Fault

P1B12 is an OBD-II diagnostic trouble code meaning: Driver Intended Brake Torque Fault. Common causes: brake torque sensor malfunction, problems with wiring or connectors. Estimated repair cost: $56–167.

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

Symptoms

  • Check Engine Light Is On
  • Unstable operation of the ABS/ESP system
  • Disabling cruise control
  • Unexpected brake application
  • Reduced braking performance

Causes

  • Brake torque sensor malfunction
  • Problems with wiring or connectors
  • ABS/ESP module malfunction
  • Software error in the control unit
  • Mechanical problems in the brake system

How to Fix

  1. Check the brake torque sensor
  2. Inspect the wiring harness and connectors
  3. Diagnose the ABS/ESP module
  4. Update control unit software
  5. Check the mechanical components of the brake system

Related codes

P1B11P1B13C1234

FAQ

What does the P1B12 code mean?

P1B12 is an OBD-II diagnostic trouble code that indicates: Driver Intended Brake Torque Fault

What causes a P1B12 error code?

The most common causes of P1B12 include: Brake torque sensor malfunction; Problems with wiring or connectors; ABS/ESP module malfunction; Software error in the control unit.

How do I fix a P1B12 diagnostic trouble code?

To fix P1B12: Check the brake torque sensor. Inspect the wiring harness and connectors. Diagnose the ABS/ESP module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1B12?

Limited driving only, diagnose soon

How much does it cost to fix P1B12?

The estimated repair cost for P1B12 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat