OBD Guide

P0A89

14 Volt Power Module Current Sensor A Circuit High

P0A89 is an OBD-II diagnostic trouble code meaning: 14 Volt Power Module Current Sensor A Circuit High. Common causes: 14v power module current sensor malfunction, damaged wiring or poor contact in the sensor circuit. Estimated repair cost: $28–78.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–78 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced performance of the hybrid system
  • Problems with the start-stop system
  • Incorrect operation of electrical equipment
  • Increased fuel consumption

Causes

  • 14V power module current sensor malfunction
  • Damaged wiring or poor contact in the sensor circuit
  • 14V power module faulty
  • Problems with the hybrid system control unit
  • Short circuit in the sensor circuit

How to Fix

  1. 14V Power Module Current Sensor Circuit Diagnostics
  2. Checking the condition of wiring and connections
  3. Testing the Power Module Current Sensor
  4. Checking the functionality of the 14V power module
  5. Resetting the error code and re-diagnosis

Related codes

Error P0A89 by Vehicle Brand

FAQ

What does the P0A89 code mean?

P0A89 is an OBD-II diagnostic trouble code that indicates: 14 Volt Power Module Current Sensor A Circuit High

What causes a P0A89 error code?

The most common causes of P0A89 include: 14V power module current sensor malfunction; Damaged wiring or poor contact in the sensor circuit; 14V power module faulty; Problems with the hybrid system control unit.

How do I fix a P0A89 diagnostic trouble code?

To fix P0A89: 14V Power Module Current Sensor Circuit Diagnostics. Checking the condition of wiring and connections. Testing the Power Module Current Sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0A89?

Yes, but get it checked soon

How much does it cost to fix P0A89?

The estimated repair cost for P0A89 is $28–78. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat