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 a switch in your car that lets you choose different driving modes, like sport or eco. It's not working right.
The Driver Mode Select Switch B is responsible for allowing the driver to choose different driving modes. This code indicates that the switch is not performing within its expected range.
The P05D7 code is triggered when the Engine Control Module (ECM) detects a malfunction or performance issue in the Driver Mode Select Switch B. This could be due to electrical issues, mechanical failure, or incorrect signal inputs.
• Unable to change driving modes
• Check Engine Light is on
• Unresponsive switch
• Faulty Driver Mode Select Switch
• Wiring issues or poor connections
• Faulty ECM
ECM: Engine Control Module
OBD-II: On-Board Diagnostics II
• Check for any other related trouble codes.
• Inspect the Driver Mode Select Switch for physical damage.
• Test the switch and associated wiring for proper voltage and continuity.
• Replace the Driver Mode Select Switch if faulty.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the ECM if necessary.
• OBD-II Scanner
• Multimeter
• Screwdriver set
$150 - $400
Moderate
• Chevrolet Malibu
• GMC Sierra
• Cadillac CTS
• Regularly check and maintain electrical connections.
• Avoid excessive force on mode select switches.
• Keep the vehicle's software updated.
Sensor Issue
• Avoid using the mode switch until repaired.
• Consult a professional mechanic for diagnosis.
• Check if the vehicle is under warranty for repairs.
Repairs may be covered under the vehicle's basic warranty if the vehicle is still within the warranty period.
This code has been increasingly reported in vehicles with advanced driving mode features, often related to electrical issues.
Moderate – While the vehicle can still be driven, it may not perform optimally in different driving conditions.
Ignoring this code may lead to reduced performance and could affect driving safety. Always address check engine light issues promptly.
• Vehicle in park with the engine running.
• Attempt to switch driving modes.
The Driver Mode Select Switch is typically located on the center console or dashboard, within easy reach of the driver.
Q: Can I drive my car with the P05D7 code?
A: Yes, but you may not be able to change driving modes, which could affect performance.
Q: Will resetting the code fix the problem?
A: Resetting the code might turn off the check engine light temporarily, but it won't fix the underlying issue.
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