B3137 Chevrolet Code - All Door Lock Circuit Low
Quick Answer
The B3137 Chevrolet code indicates a problem with the all-door lock circuit being lower than expected. Common causes include Faulty door lock actuator, Wiring issues, such as a short circuit or open circuit in the door lock circuit, Faulty Body Control Module (BCM). 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
- B3137 Chevrolet indicates All Door Lock Circuit Low.
- Common causes
- Common causes include Faulty door lock actuator, Wiring issues, such as a short circuit or open circuit in the door lock circuit, Faulty Body Control Module (BCM).
- 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 B3137 Chevrolet Description
The B3137 Chevrolet code indicates a problem with the all-door lock circuit being lower than expected. This code is typically found in vehicles equipped with power door locks. When this code is triggered, it means that the Body Control Module (BCM) has detected a low voltage or resistance in the circuit that controls the door locks. This can lead to issues with the proper functioning of the door locks, including difficulty locking or unlocking the doors using the key fob or interior switches.
Common Causes of B3137 Chevrolet
- Faulty door lock actuator.
- Wiring issues, such as a short circuit or open circuit in the door lock circuit.
- Faulty Body Control Module (BCM).
- Corrosion or damage to connectors in the door lock circuit.
- Electrical issues, such as a weak battery or alternator.
Symptoms of B3137 Chevrolet
- Difficulty locking or unlocking the doors using the key fob or interior switches.
- Inconsistent behavior of the door locks, such as only some doors locking or unlocking.
- Alarm system may not arm or disarm properly.
- Interior lights may not turn on or off as expected when opening or closing doors.
- Warning light on the dashboard indicating a door lock system fault.
How to Fix B3137 Chevrolet
- Begin by conducting a visual inspection of the door lock actuators, wiring, and connectors for any signs of damage or corrosion.
- Use a multimeter to test the voltage and resistance in the door lock circuit to pinpoint the source of the issue.
- Replace any faulty door lock actuators, repair damaged wiring, or clean and secure connectors as needed.
- If the issue persists, consider replacing the Body Control Module (BCM) after confirming that it is the root cause of the problem.
- Clear the diagnostic trouble codes from the vehicle's memory using a scan tool and test the door lock system to ensure proper operation.
Cost to Fix B3137 Chevrolet
The cost of repairing the B3137 Chevrolet code can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $150 to $500 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's a good idea to get a few quotes from different shops to find the best price. Additionally, rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive prices.
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Frequently Asked Questions about B3137 Chevrolet Code
1. What does the OBDII code B3137 mean on a Chevrolet?
B3137 indicates a low voltage or malfunction in the all-door lock circuit, typically pointing to an issue with the central locking system's wiring or components.
2. What are the symptoms of a B3137 code on a Chevrolet?
Common symptoms include doors failing to lock or unlock properly, intermittent operation of the door locks, or no response when using the remote key fob.
3. What causes the B3137 code to appear on a Chevrolet?
The code may be caused by damaged wiring, a faulty door lock actuator, a blown fuse, a malfunctioning Body Control Module (BCM), or corroded electrical connectors.
4. How can I diagnose the B3137 code on my Chevrolet?
Start by checking the fuses and wiring for damage or corrosion. Use a multimeter to test for proper voltage at the door lock actuator and inspect the BCM for faults.
5. Can a weak car battery trigger the B3137 code?
Yes, a weak or low-voltage battery can cause electrical issues, including triggering the B3137 code, as the circuit may not receive adequate power.
6. How do I fix the B3137 code on a Chevrolet?
Repairs may include replacing damaged wiring, the door lock actuator, or the BCM. Ensure all electrical connections are clean and secure.
7. Is it safe to drive with a B3137 code on my Chevrolet?
While the vehicle may still be drivable, the door lock system may not function properly, posing a security risk. Prompt repair is recommended.
8. Can I clear the B3137 code without fixing the issue?
You can clear the code with an OBDII scanner, but if the underlying problem isn’t resolved, the code will likely return.
9. Does the B3137 code affect all doors or just one?
The code generally pertains to the entire door lock circuit, but further diagnosis may reveal whether the issue is isolated to one door or affects all doors.
10. How much does it cost to repair the B3137 code on a Chevrolet?
Repair costs vary depending on the cause, ranging from $50 for simple wiring repairs to $500 or more for BCM replacement or labor-intensive diagnostics.
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