P05D4
Driver Mode Select Switch B Circuit
Driver Mode Select Switch B Circuit: an electrical fault is present in the circuit.
Driver Mode Select Switch B Circuit: an electrical fault is present in the circuit.
Common causes
- high
Open in switch or harness
One of the most commonly reported causes for this code — check this first.
Typical part cost: $90-310
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P05D4 mean?
P05D4 means "Driver Mode Select Switch B Circuit". It is a generic OBD-II code that points to a fault in the vehicle speed, idle control, auxiliary inputs.
What are the most common causes of P05D4?
open in switch or harness — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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