OBD Guide

P2D59

Generator B Over Temperature

P2D59 is an OBD-II diagnostic trouble code meaning: Generator B Over Temperature. Common causes: generator cooling system malfunction, lack of coolant. Estimated repair cost: $167โ€“556.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$167โ€“556 (est.)

Symptoms

  • Hybrid system power reduction
  • Dashboard warning light
  • Performance Limit
  • Disabling the hybrid system
  • Overheating in the engine compartment

Causes

  • Generator cooling system malfunction
  • Lack of coolant
  • Clogged radiator or cooling fan
  • Problems with control electronics
  • Excessive load on generator

How to Fix

  1. Check coolant level
  2. Diagnose the generator cooling system
  3. Check the operation of the cooling fan
  4. Scan the hybrid system control module
  5. If necessary, replace generator B

Related codes

Error P2D59 by Vehicle Brand

FAQ

What does the P2D59 code mean?

P2D59 is an OBD-II diagnostic trouble code that indicates: Generator B Over Temperature

What causes a P2D59 error code?

The most common causes of P2D59 include: Generator cooling system malfunction; Lack of coolant; Clogged radiator or cooling fan; Problems with control electronics.

How do I fix a P2D59 diagnostic trouble code?

To fix P2D59: Check coolant level. Diagnose the generator cooling system. Check the operation of the cooling fan. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2D59?

Do not drive โ€” repair immediately

How much does it cost to fix P2D59?

The estimated repair cost for P2D59 is $167โ€“556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat