OBD Guide

P17B5

Low Brake Solenoid

P17B5 is an OBD-II diagnostic trouble code meaning: Low Brake Solenoid. Common causes: brake solenoid malfunction, wiring harness damage. Estimated repair cost: $17–56.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Deterioration of the brake system
  • Activating emergency mode
  • Unusual sounds from the brake system
  • Reduced braking performance

Causes

  • Brake solenoid malfunction
  • Wiring harness damage
  • Poor contact in connectors
  • Problems with the control unit
  • Short circuit in the circuit

How to Fix

  1. Check the condition of the brake solenoid
  2. Inspect the wiring harness for damage
  3. Check contacts in connectors
  4. Test the voltage in the circuit
  5. Replace faulty components

Related codes

FAQ

What does the P17B5 code mean?

P17B5 is an OBD-II diagnostic trouble code that indicates: Low Brake Solenoid

What causes a P17B5 error code?

The most common causes of P17B5 include: Brake solenoid malfunction; Wiring harness damage; Poor contact in connectors; Problems with the control unit.

How do I fix a P17B5 diagnostic trouble code?

To fix P17B5: Check the condition of the brake solenoid. Inspect the wiring harness for damage. Check contacts in connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P17B5?

Do not drive — repair immediately

How much does it cost to fix P17B5?

The estimated repair cost for P17B5 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat