OBD Guide

P1A30

Hybrid Battery 3 Circuit Low Voltage

P1A30 is an OBD-II diagnostic trouble code meaning: Hybrid Battery 3 Circuit Low Voltage. Common causes: hybrid battery 3 malfunction, wiring harness damage. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–556 (est.)

Symptoms

  • Hybrid system power reduction
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Problems charging the hybrid battery
  • Unstable engine operation

Causes

  • Hybrid Battery 3 Malfunction
  • Wiring harness damage
  • Poor contact in connectors
  • Hybrid control system malfunction
  • Charger problems

How to Fix

  1. Check hybrid battery voltage 3
  2. Inspect the wiring harness and connectors for damage.
  3. Check contacts for oxidation and corrosion
  4. Test the hybrid control system
  5. If necessary, replace the hybrid battery 3

Related codes

FAQ

What does the P1A30 code mean?

P1A30 is an OBD-II diagnostic trouble code that indicates: Hybrid Battery 3 Circuit Low Voltage

What causes a P1A30 error code?

The most common causes of P1A30 include: Hybrid Battery 3 Malfunction; Wiring harness damage; Poor contact in connectors; Hybrid control system malfunction.

How do I fix a P1A30 diagnostic trouble code?

To fix P1A30: Check hybrid battery voltage 3. Inspect the wiring harness and connectors for damage.. Check contacts for oxidation and corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1A30?

Do not drive — repair immediately

How much does it cost to fix P1A30?

The estimated repair cost for P1A30 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat