OBD Guide

P2D71

Battery Charging System Negative Contactor D Stuck Closed

P2D71 is an OBD-II diagnostic trouble code meaning: Battery Charging System Negative Contactor D Stuck Closed. Common causes: mechanical contactor sticking, problems with control electronics. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Warning signal on the dashboard
  • Reduced battery charging efficiency
  • Problems starting the engine
  • Unstable operation of the vehicle's electrical systems

Causes

  • Mechanical contactor sticking
  • Problems with control electronics
  • Short circuit in control circuit
  • Worn contactor components
  • Software error in the control unit

How to Fix

  1. Check the condition of contactor D
  2. Diagnose the contactor control circuit
  3. Check the operation of relays and fuses
  4. Update control unit software
  5. If necessary, replace contactor D

Related codes

Error P2D71 by Vehicle Brand

FAQ

What does the P2D71 code mean?

P2D71 is an OBD-II diagnostic trouble code that indicates: Battery Charging System Negative Contactor D Stuck Closed

What causes a P2D71 error code?

The most common causes of P2D71 include: Mechanical contactor sticking; Problems with control electronics; Short circuit in control circuit; Worn contactor components.

How do I fix a P2D71 diagnostic trouble code?

To fix P2D71: Check the condition of contactor D. Diagnose the contactor control circuit. Check the operation of relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2D71?

Limited driving only, diagnose soon

How much does it cost to fix P2D71?

The estimated repair cost for P2D71 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat