B2077 Lincoln Code - Liftgate Ajar Switch Circuit Failure
Quick Answer
The Smart Junction Box (SJB) sends a voltage signal to the liftgate ajar switch. Common causes include Faulty Liftgate Ajar Switch, Liftgate Ajar Switch harness is open or shorted, Liftgate Ajar 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
- B2077 Lincoln indicates Liftgate Ajar Switch Circuit Failure.
- Common causes
- Common causes include Faulty Liftgate Ajar Switch, Liftgate Ajar Switch harness is open or shorted, Liftgate Ajar 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 B2077 Lincoln Description
The liftgate and the liftgate window ajar switches are wired in series and are monitored from a single circuit by the SJB . The liftgate and liftgate window ajar switches are closed when the liftgate and liftgate window are closed. When the liftgate or liftgate window is opened, the signal to ground is interrupted indicating an open liftgate or liftgate window (the SJB cannot determine which is open).
What are the Possible Causes of the DTC B2077 Lincoln?
- Faulty Liftgate Ajar Switch
- Liftgate Ajar Switch harness is open or shorted
- Liftgate Ajar Switch circuit poor electrical connection
- Faulty Smart Junction Box (SJB)
How to Fix the DTC B2077 Lincoln?
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 B2077 Lincoln 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 B2077 Lincoln Code
1. What are the common symptoms of OBDII code B2077 (Liftgate Ajar Switch Circuit Failure) in a Lincoln?
- Common symptoms include the liftgate warning light staying illuminated, false warnings indicating the liftgate is ajar when it's closed, and issues with the liftgate not latching properly.
2. What are the possible causes of OBDII code B2077 in a Lincoln?
- The code B2077 can be triggered by a faulty liftgate ajar switch, damaged wiring in the liftgate circuit, or a malfunctioning body control module.
3. How can I diagnose the Liftgate Ajar Switch Circuit Failure in my Lincoln?
- To diagnose the issue, you can visually inspect the liftgate ajar switch and its wiring for any visible damage. Using a multimeter, you can also test the continuity of the circuit to identify any faults.
4. Can I drive my Lincoln with OBDII code B2077 present?
- While it may be safe to drive your Lincoln with the code B2077 present, it's recommended to address the issue promptly to avoid potential safety hazards and further damage to the vehicle.
5. How can I repair OBDII code B2077 in my Lincoln?
- Repairing the Liftgate Ajar Switch Circuit Failure involves replacing the faulty liftgate ajar switch, repairing any damaged wiring, or reprogramming the body control module if necessary.
6. Are there any DIY tips for fixing OBDII code B2077 in a Lincoln?
- DIY enthusiasts can attempt to replace the liftgate ajar switch themselves with the proper tools and instructions. However, if unsure, it's best to seek professional help to ensure the repair is done correctly.
7. Will resetting the OBDII code B2077 resolve the issue in my Lincoln?
- Resetting the code may temporarily turn off the warning light, but it won't fix the underlying problem causing the Liftgate Ajar Switch Circuit Failure. It's crucial to diagnose and repair the issue to prevent it from reoccurring.
8. Can extreme weather conditions affect the Liftgate Ajar Switch Circuit in a Lincoln?
- Yes, extreme temperatures or moisture can impact the performance of the liftgate ajar switch and its circuit, leading to false warnings and triggering OBDII code B2077.
9. How much does it typically cost to repair OBDII code B2077 in a Lincoln?
- The cost of repairing the Liftgate Ajar Switch Circuit Failure can vary depending on the cause of the issue, parts needed, and labor costs. It's advisable to obtain quotes from reputable mechanics or dealerships for an accurate estimate.
10. Is OBDII code B2077 a common issue in Lincoln vehicles?
- While the Liftgate Ajar Switch Circuit Failure may not be as common as other OBDII codes, it can still occur in Lincoln vehicles, particularly in models with electronic liftgate systems.
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