B3797 Chevrolet Code - All Door Dead Lock Circuit
Quick Answer
The Body Control Module (BCM) powers the reversible door latch assemblies by providing battery positive voltage and ground to the appropriate lock and unlock control circuits of the door latch assemblies. Common causes include Faulty Door Latch Assembly, Door Latch Assembly harness is open or shorted, Door Latch Assembly 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
- B3797 Chevrolet indicates All Door Dead Lock Circuit.
- Common causes
- Common causes include Faulty Door Latch Assembly, Door Latch Assembly harness is open or shorted, Door Latch Assembly 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 B3797 Chevrolet Description
The instrument panel right fuse block contains a PCB relay which controls the functions of the electronic child locks which is part of the rear door latch assemblies. When the relay is in its inactive state and the BCM commands the latches to LOCK and UNLOCK, voltage will pass through the relay contacts for normal LOCK and UNLOCK functions of the passenger, left rear and right rear door latch assemblies.
The Diagnostic Trouble Code (DTC) sets when the BCM detects a short to ground in the door lock relay control circuit.
What are the Possible Causes of the DTC B3797 Chevrolet?
- Faulty Door Latch Assembly
- Door Latch Assembly harness is open or shorted
- Door Latch Assembly circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3797 Chevrolet?
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 B3797 Chevrolet 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.
Need more information about the B3797 Chevrolet code?
Need more information on how to fix the B3797 Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B3797 Chevrolet code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B3797 Chevrolet Code
1. What are the common symptoms of OBDII code B3797 (All Door Dead Lock Circuit) in a Chevrolet?
- Common symptoms include all doors failing to lock or unlock electronically, erratic behavior of door locks, and the inability to use key fob functions.
2. What are the possible causes of OBDII code B3797 in a Chevrolet related to the All Door Dead Lock Circuit?
- Possible causes may include faulty door lock actuators, damaged wiring or connectors in the door lock system, or a malfunctioning body control module.
3. How can I diagnose the issue causing OBDII code B3797 (All Door Dead Lock Circuit) in my Chevrolet?
- You can start by visually inspecting the door lock actuators, checking the wiring and connectors for any damage, and using a diagnostic tool to scan for specific error codes.
4. Is it safe to continue driving my Chevrolet with OBDII code B3797 (All Door Dead Lock Circuit) present?
- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to avoid potential inconvenience or security concerns.
5. Can I repair OBDII code B3797 in my Chevrolet related to the All Door Dead Lock Circuit myself?
- Depending on your skill level and access to tools, you may be able to repair this issue yourself by replacing faulty actuators, repairing damaged wiring, or resetting the body control module.
6. How much does it typically cost to repair OBDII code B3797 in a Chevrolet for the All Door Dead Lock Circuit?
- The cost of repair can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars if professional assistance is required.
7. Are there any temporary solutions to consider for OBDII code B3797 (All Door Dead Lock Circuit) in my Chevrolet?
- You can try manually locking and unlocking the doors, using the physical key instead of the key fob, or disconnecting the car battery briefly to reset the system.
8. Will OBDII code B3797 in a Chevrolet for the All Door Dead Lock Circuit cause any damage if left unrepaired?
- While the issue may not cause immediate damage, it can lead to inconvenience and potential security risks if the door locking system continues to malfunction.
9. How long does it typically take to repair OBDII code B3797 (All Door Dead Lock Circuit) in a Chevrolet?
- The repair time can vary depending on the specific cause of the issue and the availability of parts, but it may take a few hours to a full day to complete the repair.
10. Can extreme weather conditions affect the occurrence of OBDII code B3797 in a Chevrolet related to the All Door Dead Lock Circuit?
- Yes, extreme temperatures or moisture can sometimes exacerbate issues with door lock actuators, wiring, or control modules, leading to the triggering of this code.
Discuss the causes and fixes for B3797 Chevrolet OBDII Code
Code B3797 Chevrolet comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
