P2D59

Generator B Over Temperature

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$167–556 (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

Check coolant level
Diagnose the generator cooling system
Check the operation of the cooling fan
Scan the hybrid system control module
If necessary, replace generator B

Related codes

P0AA6 P1B00 P2D58