OBD Guide

P2C45

Battery Isolation/Voltage Stabilization Control Circuit Low

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Warning messages on the dashboard
  • Unstable operation of electronic systems
  • Problems starting the engine
  • Hybrid system power reduction
  • Flashing indicators on the dashboard

Causes

  • Low battery
  • Damage to control circuit wiring
  • Malfunction of the voltage stabilization module
  • Contact corrosion
  • Grounding problems

How to Fix

  1. Check battery level
  2. Inspect the wiring for damage
  3. Check contacts for corrosion
  4. Test the voltage stabilization module
  5. Check the integrity of the grounding circuit

Related codes

Error P2C45 by Vehicle Brand