OBD Guide

P2D63

Battery Charging System Negative Contactor C Stuck Closed

P2D63 is an OBD-II diagnostic trouble code meaning: Battery Charging System Negative Contactor C Stuck Closed. Common causes: mechanical contactor sticking, control relay fault. Estimated repair cost: $28โ€“89.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$28โ€“89 (est.)

Symptoms

  • Constant battery drain
  • Inability to start the engine
  • Check engine light is on
  • Reduced hybrid system efficiency (if applicable)

Causes

  • Mechanical contactor sticking
  • Control relay fault
  • Open or short circuit in control circuit
  • Problems with the charging system control unit
  • Contact corrosion

How to Fix

  1. Check the condition of contactor C visually and mechanically
  2. Test contactor control circuit
  3. Check the operation of the control relay
  4. Scan the control unit for additional errors
  5. Replace faulty contactor or relay

Related codes

Error P2D63 by Vehicle Brand

FAQ

What does the P2D63 code mean?

P2D63 is an OBD-II diagnostic trouble code that indicates: Battery Charging System Negative Contactor C Stuck Closed

What causes a P2D63 error code?

The most common causes of P2D63 include: Mechanical contactor sticking; Control relay fault; Open or short circuit in control circuit; Problems with the charging system control unit.

How do I fix a P2D63 diagnostic trouble code?

To fix P2D63: Check the condition of contactor C visually and mechanically. Test contactor control circuit. Check the operation of the control relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2D63?

Do not drive โ€” repair immediately

How much does it cost to fix P2D63?

The estimated repair cost for P2D63 is $28โ€“89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat