OBD Guide
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B2528

Left Rear Stop Lamp Circuit Short To Battery

B2528 is an OBD-II diagnostic trouble code meaning: Left Rear Stop Lamp Circuit Short To Battery. Common causes: damage to wire insulation, short circuit in wiring harness. Estimated repair cost: $22–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • Left rear brake light stays on constantly
  • Battery low
  • Dashboard warning

Causes

  • Damage to wire insulation
  • Short circuit in wiring harness
  • Brake light relay malfunction
  • Problems with the control unit

How to Fix

  1. Check the integrity of the wires and insulation in the brake light circuit
  2. Inspect the wiring harness for damage
  3. Check brake light relay
  4. Test the control unit for errors
  5. Replace damaged components

Related codes

B2527B2529

FAQ

What does the B2528 code mean?

B2528 is an OBD-II diagnostic trouble code that indicates: Left Rear Stop Lamp Circuit Short To Battery

What causes a B2528 error code?

The most common causes of B2528 include: Damage to wire insulation; Short circuit in wiring harness; Brake light relay malfunction; Problems with the control unit.

How do I fix a B2528 diagnostic trouble code?

To fix B2528: Check the integrity of the wires and insulation in the brake light circuit. Inspect the wiring harness for damage. Check brake light relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2528?

Limited driving only, diagnose soon

How much does it cost to fix B2528?

The estimated repair cost for B2528 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat