OBD Guide

P0C9C

14 Volt Power Module Current Sensor B Circuit

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–111 (est.)

Symptoms

  • Check Engine Light Is On
  • Hybrid system power reduction
  • Problems with charging the 14V system
  • Incorrect operation of electrical components
  • Possible errors in related systems

Causes

  • Current sensor B fault
  • Open or short circuit in the sensor circuit
  • Bad contacts in connectors
  • Contact corrosion
  • 14V power module malfunction

How to Fix

  1. Checking the continuity of the sensor circuit
  2. Inspect connectors and contacts for corrosion
  3. Current Sensor Resistance Testing
  4. Checking the sensor signal with a multimeter
  5. Replacing the current sensor or power module if necessary

Related codes

Error P0C9C by Vehicle Brand