OBD Guide
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B2491

Right Front Park Lamp Output Circuit Short To Battery

B2491 is an OBD-II diagnostic trouble code meaning: Right Front Park Lamp Output Circuit Short To Battery. Common causes: damage to wire insulation, connection block fault. Estimated repair cost: $22–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • The right front marker lamp does not work
  • The corresponding fuse blows
  • Error persists after lamp replacement
  • In some cases - dim lamp glow

Causes

  • Damage to wire insulation
  • Connection block fault
  • Short circuit in lamp socket
  • Breakdown in the BCM module
  • Contact of the wire with metal parts of the car

How to Fix

  1. Check and replace the blown fuse
  2. Inspect the lamp socket and the light element itself
  3. Diagnose the condition of the wiring in the area from the BCM to the headlight
  4. Check connectors and connections for oxides
  5. If necessary, replace damaged wires
  6. Perform a Circuit Function Test

Related codes

B2490B2492B2493

FAQ

What does the B2491 code mean?

B2491 is an OBD-II diagnostic trouble code that indicates: Right Front Park Lamp Output Circuit Short To Battery

What causes a B2491 error code?

The most common causes of B2491 include: Damage to wire insulation; Connection block fault; Short circuit in lamp socket; Breakdown in the BCM module.

How do I fix a B2491 diagnostic trouble code?

To fix B2491: Check and replace the blown fuse. Inspect the lamp socket and the light element itself. Diagnose the condition of the wiring in the area from the BCM to the headlight. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2491?

Limited driving only, diagnose soon

How much does it cost to fix B2491?

The estimated repair cost for B2491 is $22–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat