Budget · Bluetooth scanner
BlueDriver Pro Next
An app-based scanner with repair reports and enhanced system diagnostics on supported vehicles.
Helpful when live data and repair-report guidance can narrow down a drivability issue.
View on AmazonEasy 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 detected a problem with the switch that lets you choose different driving modes, like sport or eco. It's saying that the switch is sending too much power or a signal that's too high.
The P05D6 code indicates that the voltage in the driver mode select switch B circuit is higher than expected, suggesting a potential electrical issue.
The Driver Mode Select Switch B is part of a system that allows the driver to choose different driving modes. A 'Circuit High' condition means that the voltage in the circuit is above the manufacturer's specified range, which could be due to a short circuit, faulty wiring, or a malfunctioning switch.
• Check Engine Light is on
• Inability to change driving modes
• Unusual behavior in driving mode selection
• Faulty driver mode select switch
• Short circuit in the wiring
• Faulty or corroded connectors
OBD-II: On-Board Diagnostics, a standardized system in cars for self-diagnosing and reporting vehicle issues.
Circuit High: A condition where the electrical circuit's voltage is higher than expected.
• Use an OBD-II scanner to confirm the code.
• Inspect the driver mode select switch and its wiring for damage.
• Check for loose or corroded connectors.
• Replace the faulty driver mode select switch.
• Repair or replace damaged wiring.
• Clean or replace corroded connectors.
• OBD-II scanner
• Multimeter
• Screwdriver set
$100 - $300
Moderate
• Chevrolet Malibu
• Ford Fusion
• Toyota Camry
• Regularly inspect the switch and wiring.
• Avoid exposure to moisture that could corrode connectors.
• Perform regular maintenance checks.
Electrical Issue
• Avoid using the driver mode select switch until repaired.
• Consult with a professional mechanic for accurate diagnosis.
Check with your vehicle manufacturer; electrical components may be covered under warranty.
This code is relatively uncommon and often associated with newer vehicles that have multiple driving modes.
Moderate – While the car may still be drivable, it is advisable to address the issue to restore full functionality.
Driving with a malfunctioning driver mode select switch may affect vehicle performance and safety.
• Vehicle must be at operating temperature.
• Ensure the battery is fully charged.
The driver mode select switch is typically located on the center console or dashboard, depending on the vehicle model.
Q: Can I drive my car with the P05D6 code?
A: Yes, but it's best to get it checked soon to avoid potential issues with driving mode selection.
Q: Will this code affect my car's performance?
A: It might, especially if the car is stuck in an undesired driving mode.
Budget · Bluetooth scanner
An app-based scanner with repair reports and enhanced system diagnostics on supported vehicles.
Helpful when live data and repair-report guidance can narrow down a drivability issue.
View on Amazon
Specialty · Fuel pressure tester
Helpful for no-start, lean, rich, injector, and fuel-delivery diagnosis.
Useful for checking whether fuel delivery is contributing to the fault.
View on Amazon
Specialty · Compression tester
Useful when misfire, mechanical condition, or low-cylinder-pressure problems are suspected.
Helpful when you need to rule out low compression or mechanical engine problems.
View on AmazonThese are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.