OBD Guide

P1F15

Battery Charger 14 V Output Current Sensor Exceeded Learning Limit

P1F15 is an OBD-II diagnostic trouble code meaning: Battery Charger 14 V Output Current Sensor Exceeded Learning Limit. Common causes: charger current sensor malfunction, problems in the sensor electrical circuit. Estimated repair cost: $28–89.

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

Symptoms

  • Error message on the dashboard
  • Problems with the start-stop system
  • Incorrect operation of the additional charging system
  • Reduced performance of the hybrid system (if any)
  • Possible problems with charging the additional battery

Causes

  • Charger current sensor malfunction
  • Problems in the sensor electrical circuit
  • Short circuit or broken wires
  • Poor contact in connectors
  • Problems with the charging system control unit

How to Fix

  1. Diagnose the charging system
  2. Check the continuity of the current sensor circuit
  3. Inspect connectors and contacts for oxidation
  4. Check the functionality of the current sensor
  5. If necessary, replace the current sensor

Related codes

FAQ

What does the P1F15 code mean?

P1F15 is an OBD-II diagnostic trouble code that indicates: Battery Charger 14 V Output Current Sensor Exceeded Learning Limit

What causes a P1F15 error code?

The most common causes of P1F15 include: Charger current sensor malfunction; Problems in the sensor electrical circuit; Short circuit or broken wires; Poor contact in connectors.

How do I fix a P1F15 diagnostic trouble code?

To fix P1F15: Diagnose the charging system. Check the continuity of the current sensor circuit. Inspect connectors and contacts for oxidation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1F15?

Yes, but get it checked soon

How much does it cost to fix P1F15?

The estimated repair cost for P1F15 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat