OBD Guide
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B1582

Dim Panel Increase Input Circuit Short To Ground

B1582 is an OBD-II diagnostic trouble code meaning: Dim Panel Increase Input Circuit Short To Ground. Common causes: wiring harness damage, malfunction of the backlight control unit. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Instrument panel backlight does not work
  • Instrument panel lights flash
  • Instrument panel backlight does not work correctly

Causes

  • Wiring harness damage
  • Malfunction of the backlight control unit
  • Short circuit in backlight control circuit
  • Mechanical damage to the instrument panel

How to Fix

  1. Check wiring harness for damage
  2. Diagnose the backlight control unit
  3. Check the backlight control circuit for a short circuit.
  4. If necessary, replace the instrument panel

FAQ

What does the B1582 code mean?

B1582 is an OBD-II diagnostic trouble code that indicates: Dim Panel Increase Input Circuit Short To Ground

What causes a B1582 error code?

The most common causes of B1582 include: Wiring harness damage; Malfunction of the backlight control unit; Short circuit in backlight control circuit; Mechanical damage to the instrument panel.

How do I fix a B1582 diagnostic trouble code?

To fix B1582: Check wiring harness for damage. Diagnose the backlight control unit. Check the backlight control circuit for a short circuit.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1582?

Limited driving only, diagnose soon

How much does it cost to fix B1582?

The estimated repair cost for B1582 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat