OBD Guide

P2DC3

Starter/Generator Phase Y Current Sensor Circuit

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Problems starting the engine
  • Hybrid system power reduction
  • Incorrect operation of regenerative braking
  • System transition to emergency mode

Causes

  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Phase Y current sensor fault
  • Wiring Harness Problems
  • Starter/Generator Module Malfunction

How to Fix

  1. Check the integrity of the wiring to the sensor
  2. Inspect and clean connector contacts
  3. Check sensor resistance
  4. Replace phase Y current sensor if necessary
  5. Test the operation of the system after repair

Related codes

Error P2DC3 by Vehicle Brand