Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with the car's high voltage system. It's like a big battery that helps the car run, and something is wrong with the part that connects or disconnects it safely.
The P0B35 code indicates an issue with the circuit responsible for the high voltage service disconnect in hybrid or electric vehicles.
The P0B35 code is triggered when the Powertrain Control Module (PCM) or Battery Energy Control Module detects a low voltage condition in the high voltage service disconnect circuit. This circuit is crucial for safely connecting and disconnecting the high voltage battery pack during service or emergency situations.
• Check Engine Light is on
• Vehicle may not start
• Reduced power or performance
• Faulty high voltage service disconnect switch
• Damaged wiring or connectors in the circuit
• Faulty Battery Energy Control Module
PCM: Powertrain Control Module
High Voltage: Electrical energy at a high voltage level, typically used in hybrid and electric vehicles
• Scan the vehicle for additional codes
• Inspect the high voltage service disconnect switch
• Check wiring and connectors for damage
• Replace faulty high voltage service disconnect switch
• Repair or replace damaged wiring or connectors
• Replace the Battery Energy Control Module if necessary
• OBD-II scanner
• Multimeter
• Insulated tools for high voltage systems
$300 - $1000
Difficult
• Toyota Prius
• Chevrolet Volt
• Nissan Leaf
• Regular inspection of high voltage components
• Ensure proper maintenance of electrical systems
• Avoid unauthorized modifications to the electrical system
Electrical Circuit Issue
• Do not attempt to repair high voltage components yourself
• Consult a professional mechanic or dealership
• Avoid driving the vehicle until the issue is resolved
Check with the vehicle manufacturer for warranty coverage on hybrid or electric components.
This code has been associated with hybrid and electric vehicles since their introduction, highlighting the importance of safe high voltage management.
High – This issue can affect the vehicle's ability to operate safely.
Handling high voltage systems can be dangerous. Only qualified personnel should attempt repairs.
• Vehicle in a safe, controlled environment
• High voltage system de-energized
The high voltage service disconnect is typically located near the battery pack or within the battery compartment.
Q: Can I drive with a P0B35 code?
A: It's not recommended to drive with this code as it can affect vehicle safety and performance.
Q: Is this code specific to hybrid vehicles?
A: Yes, this code is specific to hybrid and electric vehicles due to their high voltage systems.
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