OBD Guide

B1524

Keyless Entry Circuit Open

B1524 is an OBD-II diagnostic trouble code meaning: Keyless Entry Circuit Open. Common causes: open or short circuit in wiring harness, malfunction of the keyless entry control unit. Estimated repair cost: $56–167.

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

Symptoms

  • Remote door opening/closing does not work
  • The hazard light flashes when you try to use the key fob
  • Lack of response to pressing key fob buttons

Causes

  • Open or short circuit in wiring harness
  • Malfunction of the keyless entry control unit
  • Problems with power or circuit ground
  • Damage to the system antenna

How to Fix

  1. Conduct a visual inspection of the wiring harness for damage.
  2. Check voltage and ground in the circuit
  3. Test the operation of the control unit
  4. If necessary, replace damaged components

Related codes

FAQ

What does the B1524 code mean?

B1524 is an OBD-II diagnostic trouble code that indicates: Keyless Entry Circuit Open

What causes a B1524 error code?

The most common causes of B1524 include: Open or short circuit in wiring harness; Malfunction of the keyless entry control unit; Problems with power or circuit ground; Damage to the system antenna.

How do I fix a B1524 diagnostic trouble code?

To fix B1524: Conduct a visual inspection of the wiring harness for damage.. Check voltage and ground in the circuit. Test the operation of the control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1524?

Limited driving only, diagnose soon

How much does it cost to fix B1524?

The estimated repair cost for B1524 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat