P0B33

High Voltage Service Disconnect Circuit

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Hybrid system power reduction
The car goes into emergency mode
Error message on the dashboard
Inability to start the hybrid system

Causes

Damage to the high voltage service connector
Open or short circuit in the circuit
Poor contact in the connector
Contact corrosion
Malfunction of the hybrid system control module

How to Fix

Check the condition of the high-voltage service connector
Check the integrity of the circuit and connections
Clean contacts from corrosion
Replace damaged connector or wiring
Check and, if necessary, replace the hybrid system control module

Related codes

P0B34 P0B35 P0A80