OBD Guide

P2DC1

Starter/Generator Phase X Current Sensor Circuit

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine light comes on
  • Problems starting the engine
  • Reduced generator efficiency
  • Switching to emergency mode
  • Power Loss in Hybrid Mode

Causes

  • Phase X current sensor fault
  • Open or short circuit in the sensor circuit
  • Poor contact in connectors
  • Wiring harness damage
  • Control module malfunction

How to Fix

  1. Check the integrity of the sensor circuit
  2. Check connections and connectors
  3. Test the current sensor
  4. Replace the faulty sensor if necessary
  5. Check and, if necessary, replace the control module

Related codes

Error P2DC1 by Vehicle Brand