OBD Guide

P2C45

Battery Isolation/Voltage Stabilization Control Circuit Low

P2C45 is an OBD-II diagnostic trouble code meaning: Battery Isolation/Voltage Stabilization Control Circuit Low. Common causes: low battery, damage to control circuit wiring. Estimated repair cost: $17–89.

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

FAQ

What does the P2C45 code mean?

P2C45 is an OBD-II diagnostic trouble code that indicates: Battery Isolation/Voltage Stabilization Control Circuit Low

What causes a P2C45 error code?

The most common causes of P2C45 include: Low battery; Damage to control circuit wiring; Malfunction of the voltage stabilization module; Contact corrosion.

How do I fix a P2C45 diagnostic trouble code?

To fix P2C45: Check battery level. Inspect the wiring for damage. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2C45?

Limited driving only, diagnose soon

How much does it cost to fix P2C45?

The estimated repair cost for P2C45 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat