OBD Guide

P0D4B

Battery Charger 14 Volt Output Current Sensor Circuit Intermittent/Erratic

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

Symptoms

  • Check Engine light comes on
  • Problems with charging a high-voltage battery
  • Reduced performance of the hybrid system
  • Unstable charge level indicators
  • In rare cases, the vehicle goes into emergency mode

Causes

  • Poor contact in the current sensor connector
  • Broken or damaged wires in the sensor circuit
  • Short circuit in the sensor circuit
  • Malfunction of the current sensor itself
  • Problems with the hybrid system control unit

How to Fix

  1. Check the integrity of the wiring and connectors in the sensor circuit
  2. Clean the contacts of the sensor connector from oxides
  3. Check sensor resistance according to manufacturer specifications
  4. If necessary, replace the current sensor
  5. Check the operation of the system after repair

Related codes

Error P0D4B by Vehicle Brand