OBD Guide

P0A0E

High Voltage System Interlock Circuit A Intermittent

P0A0E is an OBD-II diagnostic trouble code meaning: High Voltage System Interlock Circuit A Intermittent. Common causes: damage to interlock circuit wiring, oxidation or poor contact in connectors. Estimated repair cost: $17โ€“89.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$17โ€“89 (est.)

Symptoms

  • Check Engine light comes on
  • Possible shutdown of the high voltage system
  • Reduced power or engine failure
  • Error message on the dashboard
  • Problems with charging a high-voltage battery

Causes

  • Damage to interlock circuit wiring
  • Oxidation or poor contact in connectors
  • High Voltage Lockout Sensor Malfunction
  • Wiring harness damage
  • Problems with the high voltage system control module

How to Fix

  1. Check the integrity of the interlock circuit wiring
  2. Inspect and clean connector contacts
  3. Check the resistance of the lock sensor
  4. Scan the control module for additional errors
  5. Repair only from an authorized dealer (for high-voltage systems)

Related codes

Error P0A0E by Vehicle Brand

FAQ

What does the P0A0E code mean?

P0A0E is an OBD-II diagnostic trouble code that indicates: High Voltage System Interlock Circuit A Intermittent

What causes a P0A0E error code?

The most common causes of P0A0E include: Damage to interlock circuit wiring; Oxidation or poor contact in connectors; High Voltage Lockout Sensor Malfunction; Wiring harness damage.

How do I fix a P0A0E diagnostic trouble code?

To fix P0A0E: Check the integrity of the interlock circuit wiring. Inspect and clean connector contacts. Check the resistance of the lock sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0A0E?

Do not drive โ€” repair immediately

How much does it cost to fix P0A0E?

The estimated repair cost for P0A0E is $17โ€“89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat