B2718 Mercury Code - Liftgate/Decklid Ajar Output Short To Battery
Quick Answer
The B2718 diagnostic trouble code for Mercury vehicles indicates that there is a liftgate/decklid ajar output short to the battery. Common causes include Faulty liftgate or decklid ajar sensor, Short circuit in the electrical wiring, Corrosion or damage to the sensor or wiring. 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
- B2718 Mercury indicates Liftgate/Decklid Ajar Output Short To Battery.
- Common causes
- Common causes include Faulty liftgate or decklid ajar sensor, Short circuit in the electrical wiring, Corrosion or damage to the sensor or wiring.
- 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 B2718 Mercury Description
The B2718 diagnostic trouble code for Mercury vehicles indicates that there is a liftgate/decklid ajar output short to the battery. This means that there is a problem in the electrical circuit that controls the liftgate or decklid ajar sensor, causing it to short circuit and send a signal to the battery. This issue can lead to incorrect readings being sent to the vehicle's computer system, causing it to falsely detect that the liftgate or decklid is open when it is actually closed. This can result in warning lights on the dashboard, chimes or alarms sounding, or even the liftgate or decklid opening unexpectedly while driving.
Common Causes of B2718 Mercury
- Faulty liftgate or decklid ajar sensor
- Short circuit in the electrical wiring
- Corrosion or damage to the sensor or wiring
- Issues with the vehicle's computer system
- Poor connections or loose wiring
Symptoms of B2718 Mercury
- Warning lights on the dashboard indicating the liftgate or decklid is open when it is closed
- Chimes or alarms sounding intermittently
- Liftgate or decklid opening unexpectedly while driving
- Battery drainage issues
How to Fix B2718 Mercury
- Begin by inspecting the liftgate or decklid ajar sensor and its wiring for any visible signs of damage, corrosion, or loose connections.
- Test the sensor using a multimeter to determine if it is functioning properly.
- If the sensor is faulty, replace it with a new one following the manufacturer's instructions.
- Check the electrical wiring for any short circuits or damage, repairing or replacing as needed.
- Clear the diagnostic trouble codes from the vehicle's computer system using a diagnostic tool.
Cost to Fix B2718 Mercury
The cost of repairing a B2718 liftgate/decklid ajar output short to battery code can vary depending on the specific cause of the issue and the labor rates at the repair shop. Typically, the cost of replacing a faulty sensor can range from $100 to $300, while repairing electrical wiring may cost between $150 to $500. Overall, the total repair cost for this issue could range from $200 to $800, including parts and labor. It is advisable to consult with a trusted mechanic or repair shop for an accurate estimate based on the specific circumstances of your vehicle.
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Frequently Asked Questions about B2718 Mercury Code
1. What does OBDII code B2718 mean for a Mercury vehicle?
B2718 indicates a Liftgate/Decklid Ajar Output Short To Battery, meaning there is an electrical issue in the circuit responsible for detecting if the liftgate or decklid is open.
2. What are the common symptoms of a B2718 code?
Symptoms may include the liftgate ajar warning light staying on, difficulty locking the liftgate, or intermittent issues with the power liftgate operation.
3. What causes the B2718 code to appear?
The code is typically caused by a short circuit to the battery in the liftgate ajar sensor wiring, a faulty liftgate ajar switch, or damaged wiring harnesses.
4. Can a faulty liftgate ajar switch trigger the B2718 code?
Yes, a malfunctioning liftgate ajar switch can fail to properly detect the liftgate's position and trigger this error code.
5. How do I diagnose the B2718 code?
Start by inspecting the wiring and connectors for damage or corrosion near the liftgate. Use a multimeter to check for continuity and shorts in the circuit.
6. Is it safe to drive with the B2718 code?
While it may not affect drivability, the code could prevent the liftgate from locking properly, posing a security risk or causing further electrical issues.
7. How can I fix the B2718 code?
Repairs may involve replacing damaged wiring, repairing connectors, or replacing a faulty liftgate ajar switch.
8. How much does it cost to fix the B2718 code?
Costs vary depending on the issue but can range from $50 for simple wiring repairs to $200+ if the switch or additional components need replacement.
9. Can clearing the B2718 code with a scanner fix the issue permanently?
No, clearing the code without addressing the underlying cause will only temporarily erase it, and it will likely return.
10. What tools are needed to fix the B2718 code?
Tools typically include a multimeter, a diagnostic scanner, and basic hand tools for removing panels and accessing wiring.
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