OBD Guide

P2DBA

Battery Charging System B High Voltage Interlock Circuit High

P2DBA is an OBD-II diagnostic trouble code meaning: Battery Charging System B High Voltage Interlock Circuit High. Common causes: damage to high voltage wiring, charging control unit malfunction. Estimated repair cost: $56โ€“278.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“278 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced battery charging efficiency
  • Engine power limitation
  • High voltage system fault warning
  • The car may go into emergency mode

Causes

  • Damage to high voltage wiring
  • Charging control unit malfunction
  • Problems with high voltage battery
  • Short circuit in interlock circuit
  • High voltage relay fault

How to Fix

  1. Carry out diagnostics of the high-voltage system
  2. Check the integrity of wiring and connectors
  3. Test the operation of the charging control unit
  4. Check the condition of the high-voltage battery
  5. Replace damaged components
  6. Repair only from an authorized dealer

Related codes

Error P2DBA by Vehicle Brand

FAQ

What does the P2DBA code mean?

P2DBA is an OBD-II diagnostic trouble code that indicates: Battery Charging System B High Voltage Interlock Circuit High

What causes a P2DBA error code?

The most common causes of P2DBA include: Damage to high voltage wiring; Charging control unit malfunction; Problems with high voltage battery; Short circuit in interlock circuit.

How do I fix a P2DBA diagnostic trouble code?

To fix P2DBA: Carry out diagnostics of the high-voltage system. Check the integrity of wiring and connectors. Test the operation of the charging control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2DBA?

Do not drive โ€” repair immediately

How much does it cost to fix P2DBA?

The estimated repair cost for P2DBA is $56โ€“278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat