OBD Guide

P2DD2

Control Pilot Charging Switch B Intermittent/Erratic

P2DD2 is an OBD-II diagnostic trouble code meaning: Control Pilot Charging Switch B Intermittent/Erratic. Common causes: damage to the charging circuit wiring harness, corrosion of charging connector contacts. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Intermittent charger operation
  • Check engine light comes on
  • The car does not charge from an external source
  • Interrupting the charging process
  • Errors in the hybrid/electric drive system

Causes

  • Damage to the charging circuit wiring harness
  • Corrosion of charging connector contacts
  • Faulty charging circuit relays or fuses
  • Problems with the charging control unit
  • Mechanical damage to the charging port

How to Fix

  1. Check the integrity of the charging cable and connector
  2. Inspect the wiring harness for damage
  3. Check the condition of fuses and relays
  4. Diagnose the charging control unit
  5. Clean the charging port contacts from corrosion

Related codes

Error P2DD2 by Vehicle Brand

FAQ

What does the P2DD2 code mean?

P2DD2 is an OBD-II diagnostic trouble code that indicates: Control Pilot Charging Switch B Intermittent/Erratic

What causes a P2DD2 error code?

The most common causes of P2DD2 include: Damage to the charging circuit wiring harness; Corrosion of charging connector contacts; Faulty charging circuit relays or fuses; Problems with the charging control unit.

How do I fix a P2DD2 diagnostic trouble code?

To fix P2DD2: Check the integrity of the charging cable and connector. Inspect the wiring harness for damage. Check the condition of fuses and relays. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2DD2?

Limited driving only, diagnose soon

How much does it cost to fix P2DD2?

The estimated repair cost for P2DD2 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat