OBD Guide

P2D4D

Hybrid/EV Battery Pack I Over Temperature

P2D4D is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack I Over Temperature. Common causes: battery cooling system malfunction, dirty or clogged cooling ducts. Estimated repair cost: $56โ€“278.

Severity
๐Ÿ”ด High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56โ€“278 (est.)

Symptoms

  • Reduced engine power
  • Battery warning icon on dashboard
  • Speed limit
  • The car goes into emergency mode
  • Increased noise of the cooling system

Causes

  • Battery cooling system malfunction
  • Dirty or clogged cooling ducts
  • Faulty battery temperature sensors
  • Problems with the battery control module
  • Battery cell degradation

How to Fix

  1. Check coolant level
  2. Inspect the cooling system air ducts for contamination
  3. Check the operation of the cooling fans
  4. Scan for other related trouble codes
  5. Check the condition and functionality of temperature sensors

Related codes

Error P2D4D by Vehicle Brand

FAQ

What does the P2D4D code mean?

P2D4D is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack I Over Temperature

What causes a P2D4D error code?

The most common causes of P2D4D include: Battery cooling system malfunction; Dirty or clogged cooling ducts; Faulty battery temperature sensors; Problems with the battery control module.

How do I fix a P2D4D diagnostic trouble code?

To fix P2D4D: Check coolant level. Inspect the cooling system air ducts for contamination. Check the operation of the cooling fans. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2D4D?

Yes, but get it checked soon

How much does it cost to fix P2D4D?

The estimated repair cost for P2D4D is $56โ€“278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat