OBD Guide
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B1C98

Left Corner Lamp Circuit Circuit Short

B1C98 is an OBD-II diagnostic trouble code meaning: Left Corner Lamp Circuit Circuit Short. Common causes: wiring harness damage, short circuit in headlight. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • Left corner headlight not working
  • Blown fuses
  • Burnt smell from wiring
  • Flashing or unstable headlight operation

Causes

  • Wiring harness damage
  • Short circuit in headlight
  • Contact corrosion
  • Mechanical damage to wiring
  • Malfunction of the lighting control unit

How to Fix

  1. Check left corner headlight circuit fuse
  2. Inspect the wiring harness for damage
  3. Check headlight contacts and connectors
  4. Replace the faulty headlight if necessary
  5. Repair damaged wiring
  6. Check the operation of the headlight after repair

Related codes

B1C99B1C97B1C96

FAQ

What does the B1C98 code mean?

B1C98 is an OBD-II diagnostic trouble code that indicates: Left Corner Lamp Circuit Circuit Short

What causes a B1C98 error code?

The most common causes of B1C98 include: Wiring harness damage; Short circuit in headlight; Contact corrosion; Mechanical damage to wiring.

How do I fix a B1C98 diagnostic trouble code?

To fix B1C98: Check left corner headlight circuit fuse. Inspect the wiring harness for damage. Check headlight contacts and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1C98?

Limited driving only, diagnose soon

How much does it cost to fix B1C98?

The estimated repair cost for B1C98 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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