OBD Guide

B0775

Four Wheel Drive High Indicator Circuit

B0775 is an OBD-II diagnostic trouble code meaning: Four Wheel Drive High Indicator Circuit. Common causes: broken or damaged wiring harness, short circuit in the circuit. Estimated repair cost: $56–167.

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

Symptoms

  • 4WD High indicator does not turn on
  • 4WD High indicator is constantly on
  • 4WD High indicator flashes
  • False positives of the indicator

Causes

  • Broken or damaged wiring harness
  • Short circuit in the circuit
  • Faulty indicator on the dashboard
  • Oxidation of contacts in connectors
  • Problems with the 4WD control unit
  • Faulty relay

How to Fix

  1. Check wiring harness for damage
  2. Check the condition of the contacts in the connectors
  3. Test the 4WD High indicator
  4. Check the operation of the relay and control unit
  5. Replace faulty components

Related codes

Error B0775 by Vehicle Brand

FAQ

What does the B0775 code mean?

B0775 is an OBD-II diagnostic trouble code that indicates: Four Wheel Drive High Indicator Circuit

What causes a B0775 error code?

The most common causes of B0775 include: Broken or damaged wiring harness; Short circuit in the circuit; Faulty indicator on the dashboard; Oxidation of contacts in connectors.

How do I fix a B0775 diagnostic trouble code?

To fix B0775: Check wiring harness for damage. Check the condition of the contacts in the connectors. Test the 4WD High indicator. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0775?

Limited driving only, diagnose soon

How much does it cost to fix B0775?

The estimated repair cost for B0775 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat