OBD Guide

B2625

Display Dimming Pulse Width Modulation Output Circuit

B2625 is an OBD-II diagnostic trouble code meaning: Display Dimming Pulse Width Modulation Output Circuit. Common causes: open or short circuit in wiring harness, malfunction of the backlight control unit. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Absence or incorrect operation of the display backlight
  • Backlight flickering
  • Constant maximum or minimum display brightness

Causes

  • Open or short circuit in wiring harness
  • Malfunction of the backlight control unit
  • Display damage
  • Circuit power problems

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Check voltage and PWM signal on control unit
  3. Test display operation with another control unit
  4. Replace the faulty component

Related codes

FAQ

What does the B2625 code mean?

B2625 is an OBD-II diagnostic trouble code that indicates: Display Dimming Pulse Width Modulation Output Circuit

What causes a B2625 error code?

The most common causes of B2625 include: Open or short circuit in wiring harness; Malfunction of the backlight control unit; Display damage; Circuit power problems.

How do I fix a B2625 diagnostic trouble code?

To fix B2625: Check the integrity of the wiring harness and connectors. Check voltage and PWM signal on control unit. Test display operation with another control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2625?

Limited driving only, diagnose soon

How much does it cost to fix B2625?

The estimated repair cost for B2625 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat