OBD Guide

P2DC5

Starter/Generator Phase Z Current Sensor Circuit

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Difficulty starting the engine
  • Check Engine Light Is On
  • Reduced power generation efficiency
  • Rough starter/generator operation
  • System transition to emergency mode

Causes

  • Open or short circuit in the sensor circuit
  • Z phase sensor fault
  • Wiring harness damage
  • Poor contact in connectors
  • Starter/Generator Module Malfunction

How to Fix

  1. Check the continuity of the Z phase sensor circuit
  2. Check the resistance of the Z phase sensor
  3. Inspect connectors and wiring harness for damage
  4. Check the operation of the starter/generator module
  5. Replace Z phase sensor if necessary

Related codes

Error P2DC5 by Vehicle Brand