B3593 Chevrolet Code - Steering System Mode Switch Circuit Malfunction
Quick Answer
The Rear Wheel Steering Control Module monitors the rear wheel steering mode select switch 5-volt reference circuit for out of range voltage conditions. Common causes include Faulty Steering System Mode Switch, Steering System Mode Switch harness is open or shorted, Steering System Mode Switch circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B3593 Chevrolet indicates Steering System Mode Switch Circuit Malfunction.
- Common causes
- Common causes include Faulty Steering System Mode Switch, Steering System Mode Switch harness is open or shorted, Steering System Mode Switch circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code B3593 Chevrolet Description
What are the Possible Causes of the DTC B3593 Chevrolet?
- Faulty Steering System Mode Switch
- Steering System Mode Switch harness is open or shorted
- Steering System Mode Switch circuit poor electrical connection
- Faulty Rear Wheel Steering Control Module
How to Fix the DTC B3593 Chevrolet?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B3593 Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B3593 Chevrolet Code
1. What does the OBDII code B3593 mean on a Chevrolet?
The code B3593 indicates a malfunction in the steering system mode switch circuit, which may involve issues with the wiring, connectors, or the switch itself.
2. What are common symptoms of code B3593 in a Chevrolet?
Symptoms may include the steering mode switch not functioning, a warning light on the dashboard, or the inability to change steering modes.
3. What causes the B3593 code to appear?
Common causes include a faulty steering mode switch, damaged or corroded wiring, loose electrical connections, or a problem with the body control module (BCM).
4. Can I drive my Chevrolet with the B3593 code active?
Yes, the vehicle is typically drivable, but you may not be able to adjust the steering mode, and it’s advisable to address the issue to avoid further damage.
5. How is the B3593 code diagnosed?
A technician will use a scan tool to confirm the code, inspect the steering mode switch circuit for damage, and test the switch and wiring for continuity and proper operation.
6. How can I fix the B3593 code on my Chevrolet?
Repairs may involve replacing the steering mode switch, repairing or replacing damaged wiring or connectors, or reprogramming/resetting the BCM if needed.
7. How much does it cost to repair the B3593 code?
The cost can vary depending on the exact issue but typically ranges from $100 to $300 for parts and labor, depending on the severity of the problem.
8. Can a bad fuse cause the B3593 code?
Yes, a blown fuse related to the steering system circuit can cause this code and should be checked during diagnosis.
9. Does the B3593 code require BCM replacement?
Not usually, but if the BCM is found to be faulty after thorough testing, it might require replacement or reprogramming.
10. Can I reset the B3593 code without repairs?
You can clear the code with an OBDII scanner, but if the underlying issue isn’t resolved, the code will likely return.
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