OBD Guide
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B1568

Lamp Headlamp High-Beam Circuit Open

B1568 is an OBD-II diagnostic trouble code meaning: Lamp Headlamp High-Beam Circuit Open. Common causes: broken or damaged wires, high beam relay malfunction. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • High beam headlights do not work
  • High beam flashing
  • The warning light on the dashboard comes on

Causes

  • Broken or damaged wires
  • High beam relay malfunction
  • Burnt out high beam lamp
  • Problems in the control unit
  • Contact corrosion

How to Fix

  1. Check the integrity of the high beam lamps
  2. Inspect wires and connections for damage
  3. Check high beam relay
  4. Test the control unit for errors
  5. Replace damaged components

Related codes

B1567B1569B1570

FAQ

What does the B1568 code mean?

B1568 is an OBD-II diagnostic trouble code that indicates: Lamp Headlamp High-Beam Circuit Open

What causes a B1568 error code?

The most common causes of B1568 include: Broken or damaged wires; High beam relay malfunction; Burnt out high beam lamp; Problems in the control unit.

How do I fix a B1568 diagnostic trouble code?

To fix B1568: Check the integrity of the high beam lamps. Inspect wires and connections for damage. Check high beam relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1568?

Limited driving only, diagnose soon

How much does it cost to fix B1568?

The estimated repair cost for B1568 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat