OBD Guide

P0D91

Battery Charger Coupler Lock Control Circuit/Open

P0D91 is an OBD-II diagnostic trouble code meaning: Battery Charger Coupler Lock Control Circuit/Open. Common causes: broken wires in the control circuit, lockout solenoid valve malfunction. Estimated repair cost: $17–89.

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

Symptoms

  • Inability to start charging the battery
  • Charging error message on dashboard
  • The charging cable does not fit into the connector
  • Interrupting the charging process
  • Charge indicator flashing

Causes

  • Broken wires in the control circuit
  • Lockout solenoid valve malfunction
  • Poor contact in the connector
  • Wiring harness damage
  • Charging control unit malfunction

How to Fix

  1. Check the integrity of the wiring harness
  2. Check connections in connectors
  3. Test the operation of the lockout solenoid valve
  4. Check circuit fuses and relays
  5. Diagnostics of the charging control unit

Related codes

Error P0D91 by Vehicle Brand

FAQ

What does the P0D91 code mean?

P0D91 is an OBD-II diagnostic trouble code that indicates: Battery Charger Coupler Lock Control Circuit/Open

What causes a P0D91 error code?

The most common causes of P0D91 include: Broken wires in the control circuit; Lockout solenoid valve malfunction; Poor contact in the connector; Wiring harness damage.

How do I fix a P0D91 diagnostic trouble code?

To fix P0D91: Check the integrity of the wiring harness. Check connections in connectors. Test the operation of the lockout solenoid valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0D91?

Limited driving only, diagnose soon

How much does it cost to fix P0D91?

The estimated repair cost for P0D91 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat