B3895 GMC Code - Deck Lid Ajar Siwtch Signal Circuit Low
Quick Answer
Rear compartment occupant sensor is connected to battery voltage and ground at all times. Common causes include Faulty Deck Lid Ajar Siwtch, Deck Lid Ajar Siwtch harness is open or shorted, Deck Lid Ajar Siwtch 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
- B3895 GMC indicates Deck Lid Ajar Siwtch Signal Circuit Low.
- Common causes
- Common causes include Faulty Deck Lid Ajar Siwtch, Deck Lid Ajar Siwtch harness is open or shorted, Deck Lid Ajar Siwtch 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 B3895 GMC Description
Rear compartment occupant sensor can be disabled by pressing disable switch on rear compartment occupant sensor and holding for 2 seconds. BCM will command trunk ajar telltale on for one minute with each ignition on signal while rear compartment occupant sensor is disabled. Once deck lid is opened, rear compartment occupant sensor will reset to on and resume normal operation. Rear compartment occupant sensor can also be enabled inside of rear compartment with ignition on or off by pressing disable switch. Deck lid ajar switch signal circuit is used for rear compartment occupant sensor class 2 data.
The Diagnostic Trouble Code (DTC) sets when BCM detects short to ground in trunk ajar switch signal circuit for greater than 2 seconds.
What are the Possible Causes of the DTC B3895 GMC?
- Faulty Deck Lid Ajar Siwtch
- Deck Lid Ajar Siwtch harness is open or shorted
- Deck Lid Ajar Siwtch circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3895 GMC?
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 B3895 GMC 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 B3895 GMC Code
1. What are the common symptoms of OBDII code B3895 GMC (Deck Lid Ajar Switch Signal Circuit Low)?
- The common symptoms include the trunk or deck lid warning light staying on, the trunk not closing properly, and potential issues with the vehicle's security system.
2. What are the possible causes of OBDII code B3895 GMC?
- The code B3895 GMC can be caused by a faulty deck lid ajar switch, damaged wiring or connectors in the signal circuit, or a malfunctioning body control module.
3. How can I diagnose the cause of OBDII code B3895 GMC?
- To diagnose the issue, start by inspecting the deck lid ajar switch for any visible damage. Check the wiring and connectors for any signs of wear or corrosion. Using a multimeter, test the switch and circuit for proper continuity.
4. Can I drive my vehicle with OBDII code B3895 GMC?
- It is generally safe to drive your vehicle with this code, but it is recommended to address the issue promptly to prevent any potential problems with the trunk operation or security system.
5. How can I repair OBDII code B3895 GMC?
- Repair options include replacing the deck lid ajar switch if faulty, repairing or replacing damaged wiring or connectors, and resetting the body control module to clear the code.
6. Is it possible for the code B3895 GMC to be a false alarm?
- Yes, it is possible for the code to be triggered by a temporary glitch or momentary issue. Clear the code, check the components for any obvious problems, and monitor if the code returns.
7. How much does it typically cost to repair OBDII code B3895 GMC at a mechanic?
- The cost of repair can vary depending on the specific cause of the code, but it may range from $100 to $300, including parts and labor.
8. Can a DIY enthusiast fix OBDII code B3895 GMC at home?
- Yes, DIY enthusiasts with some automotive repair experience can attempt to fix this code at home by following repair guides or tutorials specific to their vehicle model.
9. Will OBDII code B3895 GMC cause any damage to my vehicle if left untreated?
- Leaving the code untreated may not cause immediate damage, but it can lead to issues with the trunk operation or security system functionality over time.
10. How long does it usually take to repair OBDII code B3895 GMC?
- The repair time can vary depending on the exact cause and complexity of the issue, but it typically takes between 1 to 2 hours to diagnose and fix the problem.
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