OBD Guide

P3006

Battery State-Of-Charge Are Uneven

P3006 is an OBD-II diagnostic trouble code meaning: Battery State-Of-Charge Are Uneven. Common causes: wear of individual battery cells, problems with the charge balancing system. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Reduced battery power
  • Problems starting the engine
  • Extended charging time
  • Unstable operation of the electrical system
  • Reduced hybrid system efficiency (if applicable)

Causes

  • Wear of individual battery cells
  • Problems with the charge balancing system
  • Battery controller malfunction
  • Damage to electrical connections
  • Problems with the charging system

How to Fix

  1. Check the condition of the battery
  2. Diagnose the charge balancing system
  3. Check electrical connections and wiring harnesses
  4. Test the battery controller
  5. If necessary, replace faulty battery cells

Related codes

FAQ

What does the P3006 code mean?

P3006 is an OBD-II diagnostic trouble code that indicates: Battery State-Of-Charge Are Uneven

What causes a P3006 error code?

The most common causes of P3006 include: Wear of individual battery cells; Problems with the charge balancing system; Battery controller malfunction; Damage to electrical connections.

How do I fix a P3006 diagnostic trouble code?

To fix P3006: Check the condition of the battery. Diagnose the charge balancing system. Check electrical connections and wiring harnesses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P3006?

Yes, but get it checked soon

How much does it cost to fix P3006?

The estimated repair cost for P3006 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat