B3517 Code - Left Rear Window Express Down Circuit Low
Quick Answer
The B3517 diagnostic trouble code (DTC) indicates that there is a low voltage condition in the left rear window express down circuit. Common causes include Faulty power window switch in the driver's door control panel, Wiring issues such as a short circuit or open circuit in the left rear window circuit, Malfunctioning left rear window motor. 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
- B3517 indicates Left Rear Window Express Down Circuit Low.
- Common causes
- Common causes include Faulty power window switch in the driver's door control panel, Wiring issues such as a short circuit or open circuit in the left rear window circuit, Malfunctioning left rear window motor.
- 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.
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Code B3517 Description
The B3517 diagnostic trouble code (DTC) indicates that there is a low voltage condition in the left rear window express down circuit. This code is specific to vehicles equipped with power windows that have an express down feature, allowing the window to automatically lower with a single press of the button. The low voltage in the circuit can prevent the window from operating properly, leading to potential safety concerns and inconvenience for the driver and passengers.
Common Causes of B3517
- Faulty power window switch in the driver's door control panel.
- Wiring issues such as a short circuit or open circuit in the left rear window circuit.
- Malfunctioning left rear window motor.
- Defective power window control module.
Symptoms of B3517
- Left rear window fails to operate when using the express down feature.
- Unusual noises coming from the left rear window when attempting to lower it.
- Left rear window operates intermittently or erratically.
- Power window switch for the left rear window is unresponsive.
How to Fix B3517
- Begin by diagnosing the root cause of the issue using a digital multimeter to test the voltage in the left rear window express down circuit.
- Inspect the power window switch in the driver's door control panel for any signs of damage or malfunction.
- Check the wiring in the left rear window circuit for any visible damage or loose connections.
- Test the left rear window motor to determine if it is functioning properly.
- If necessary, replace the faulty component (e.g., power window switch, window motor, or power window control module) and retest the system to ensure proper operation.
Cost to Fix B3517
The cost of repairing a B3517 code can vary depending on the specific cause of the issue and the cost of parts and labor in your area. On average, the repair costs for this type of issue can range from $150 to $400, including parts and labor. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple shops to get a more accurate estimate.
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Code B3517 Information for Specific Makes
- B3517 Buick — Left Rear Window Express Down Circuit Low
- B3517 Cadillac — Left Rear Window Express Down Circuit Low
- B3517 Chevrolet — Left Rear Window Express Down Circuit Low
- B3517 GMC — Left Rear Window Express Down Circuit Low
Frequently Asked Questions about B3517 Code
1. What does the OBDII code B3517 mean?
B3517 indicates a low voltage issue in the Left Rear Window Express Down Circuit, which controls the automatic "express down" function for the left rear window.
2. What are common symptoms of the B3517 code?
Symptoms include the left rear window not responding to the express down feature, slow window operation, or the window not moving at all.
3. What causes the B3517 code to appear?
Common causes include a faulty window motor, damaged wiring or connectors in the circuit, or a malfunctioning window switch.
4. Can I still use the left rear window if the B3517 code is present?
In some cases, the window may still operate manually, but the express down feature will likely not function.
5. How do I diagnose the B3517 code?
Start by inspecting the wiring and connectors for damage or corrosion. Then test the window switch and motor for proper operation using a multimeter.
6. Can the B3517 code drain my car battery?
If the circuit is shorted or drawing excessive power, it could potentially lead to battery drain over time.
7. How do I fix the B3517 code?
Repairs may include replacing the window motor, repairing or replacing damaged wiring, or replacing a faulty window switch.
8. How much does it cost to repair the B3517 code?
Costs vary depending on the issue, but replacing a window motor or switch can range from $100 to $300, plus labor if done by a professional.
9. Can I clear the B3517 code without fixing the issue?
Clearing the code with a scanner will not fix the underlying problem, and the code is likely to return until the issue is resolved.
10. Is it safe to drive with the B3517 code?
Yes, it is generally safe to drive with this code, but the left rear window functionality may be limited or non-operational.
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