Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer is having trouble reading the voltage from a sensor that checks the battery charger. It's like when a game console can't read a controller properly.
The P2E84 code is triggered when the vehicle's computer detects a problem with the voltage signal coming from the battery charger input voltage sensor. This sensor monitors the voltage level to ensure the battery is charging correctly.
The P2E84 code indicates an issue with the input voltage sensor circuit for the battery charger, specifically that the voltage reading is outside the expected range or performance parameters. This can be due to a faulty sensor, wiring issues, or a malfunctioning battery charger.
• Check engine light is on
• Battery not charging properly
• Electrical issues in the vehicle
• Faulty battery charger input voltage sensor
• Damaged or corroded wiring or connectors
• Malfunctioning battery charger
OBD-II: On-Board Diagnostics, a standardized system for vehicle self-diagnosis and reporting
Voltage Sensor: A device that measures the voltage level in an electrical circuit
• Use an OBD-II scanner to confirm the code
• Inspect the battery charger input voltage sensor and wiring
• Test the battery charger for proper operation
• Replace the faulty voltage sensor
• Repair or replace damaged wiring or connectors
• Replace the battery charger if necessary
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $400
Moderate
• Chevrolet Volt
• Nissan Leaf
• Toyota Prius
• Regularly inspect battery and charger connections
• Ensure battery charger is functioning properly
• Keep electrical system components clean and dry
Sensor Issue
• Avoid using electrical accessories until the issue is resolved
• Get the vehicle inspected by a professional mechanic
• Monitor battery charge levels frequently
Check vehicle warranty for coverage on electrical components
This code has been associated with hybrid and electric vehicles where battery management is crucial.
Moderate – While the vehicle may still operate, improper battery charging can lead to further issues.
Driving with a malfunctioning battery charger can lead to vehicle breakdowns and should be addressed promptly.
• Vehicle in 'ON' position
• Battery charger engaged
The battery charger input voltage sensor is typically located near the battery or charging system.
Q: Can I drive my car with a P2E84 code?
A: It's not recommended, as the battery may not charge properly, leading to potential breakdowns.
Q: How do I reset the P2E84 code?
A: After repairs, use an OBD-II scanner to clear the code, but ensure the issue is resolved first.
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