OBD Guide

P0A86

14 Volt Power Module Current Sensor A Circuit

P0A86 is an OBD-II diagnostic trouble code meaning: 14 Volt Power Module Current Sensor A Circuit. Common causes: open or short circuit in the sensor circuit, 14v module current sensor malfunction. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced hybrid system efficiency
  • Problems with the start-stop system
  • The car goes into emergency mode
  • Power reduction

Causes

  • Open or short circuit in the sensor circuit
  • 14V module current sensor malfunction
  • Connector problems or contact corrosion
  • 14V power module faulty
  • Wiring Harness Problems

How to Fix

  1. Check the continuity of the current sensor circuit
  2. Inspect connectors and contacts for damage
  3. Check the resistance of the current sensor
  4. Scan the power module for additional errors
  5. If necessary, replace the current sensor or power module

Related codes

Error P0A86 by Vehicle Brand

FAQ

What does the P0A86 code mean?

P0A86 is an OBD-II diagnostic trouble code that indicates: 14 Volt Power Module Current Sensor A Circuit

What causes a P0A86 error code?

The most common causes of P0A86 include: Open or short circuit in the sensor circuit; 14V module current sensor malfunction; Connector problems or contact corrosion; 14V power module faulty.

How do I fix a P0A86 diagnostic trouble code?

To fix P0A86: Check the continuity of the current sensor circuit. Inspect connectors and contacts for damage. Check the resistance of the current sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0A86?

Yes, but get it checked soon

How much does it cost to fix P0A86?

The estimated repair cost for P0A86 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat