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Code P2E99

Quick reference

P2E99 at a glance

Plain-language meaning
This code means that the car's computer is having trouble figuring out if the door for charging the car is open or closed.
Urgency
Moderate – It should be addressed soon to ensure proper charging functionality.
Difficulty
Moderate
System
Sensor Issue
Tools mentioned
OBD-II scanner, Multimeter, Screwdriver set

This summary uses the existing diagnostic information shown in full below.

Laymans terms

This code means that the car's computer is having trouble figuring out if the door for charging the car is open or closed.

Explanation

The vehicle's computer monitors the position of the charge port door using a sensor. This code is triggered when the sensor's performance is not as expected.

Technical description

P2E99 indicates an issue with the charge port door B position sensor circuit. The sensor provides feedback to the vehicle's control module about the status of the charge port door. If the sensor's signal is inconsistent or outside the expected range, this code is set.

Symptoms

• Charge port door not opening or closing properly

• Warning light on the dashboard

• Inability to charge the vehicle

Common Causes

• Faulty charge port door position sensor

• Damaged wiring or connectors in the sensor circuit

• Faulty control module

Glossary

OBD-II: On-Board Diagnostics, a standardized system in vehicles for self-diagnosing and reporting.

Sensor: A device that detects or measures a physical property and records, indicates, or otherwise responds to it.

Diagnosis steps

• Inspect the charge port door for physical obstructions.

• Check the wiring and connectors for damage or corrosion.

• Test the charge port door position sensor for proper operation.

Repair procedures

• Replace the charge port door position sensor.

• Repair or replace damaged wiring or connectors.

• Reprogram or replace the control module if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Screwdriver set

Estimated repair cost

$150 - $500

Difficulty level

Moderate

Commonly affected vehicles

• Chevrolet Volt

• Nissan Leaf

• Tesla Model S

Preventive measures

• Regularly inspect the charge port door for debris.

• Ensure the charge port door is not forced open or closed.

• Keep the sensor area clean and dry.

Error code type

Sensor Issue

User experience recommendations

• Do not force the charge port door open or closed.

• Schedule a service appointment if the warning light appears.

Warranty information

Check with the vehicle manufacturer for warranty coverage on electrical components.

Historical data

This code has become more common with the increase in electric vehicles and their reliance on charging systems.

Urgency level

Moderate – It should be addressed soon to ensure proper charging functionality.

Testing conditions

• Vehicle parked and powered off

• Access to the charge port door

Component location

The charge port door position sensor is located near the charge port, typically in the vehicle's front or rear fender.

FAQs

Q: Can I still drive my car with this code?
A: Yes, but you may experience charging issues.

Q: Will this issue affect my battery?
A: It won't directly affect the battery, but it might prevent you from charging it.

Optional diagnostic gear

Tools that may help diagnose P2E99

THINKCAR ThinkScan Bidirectional diagnostic tool illustration

High-End · Full-system diagnostics

THINKCAR ThinkScan Bidirectional

A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.

Network faults often require full-system access instead of a generic code reader alone.

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Klein Tools MM325 diagnostic tool illustration

Universal · Digital multimeter

Klein Tools MM325

A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.

Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.

View on Amazon
WORKPRO Wiring Repair Kit diagnostic tool illustration

Universal · Wire connectors and repair kit

WORKPRO Wiring Repair Kit

Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.

Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.

View on Amazon

These are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.

Source: ezOBD2 diagnostic database
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