B297C GMC Code - Driver Door Open Switch Circuit Not Plausible
Quick Answer
The keyless entry control module provides a 12V signal to the driver door open switch signal circuit. Common causes include Faulty Door Latch Assembly-Driver, Door Latch Assembly-Driver harness is open or shorted, Door Latch Assembly-Driver 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
- B297C GMC indicates Driver Door Open Switch Circuit Not Plausible.
- Common causes
- Common causes include Faulty Door Latch Assembly-Driver, Door Latch Assembly-Driver harness is open or shorted, Door Latch Assembly-Driver 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 B297C GMC Description
The door open switch and the door ajar switch contacts will be open with the door is fully closed, the door switches within the door latch are designed so that the when the door is ajar, the contact in the door ajar switch closes, the voltage is pulled low and the window motor will then send a serial data message to the Body Control Module (BCM) indicating that the door is ajar. When the door is opened further, the contact in the door open switch will then close providing a ground for the door open signal circuit, the keyless entry control module will then detect that the door is open.
What are the Possible Causes of the DTC B297C GMC?
- Faulty Door Latch Assembly-Driver
- Door Latch Assembly-Driver harness is open or shorted
- Door Latch Assembly-Driver circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B297C 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 B297C 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 B297C GMC Code
1. What does the OBDII code B297C mean on a GMC vehicle?
The B297C code indicates an issue with the Driver Door Open Switch Circuit, meaning the system is detecting an implausible or inconsistent signal from the driver's door open switch.
2. What are the common symptoms of the B297C code?
Symptoms may include the door-ajar warning light staying on or not illuminating, the interior lights behaving erratically, or issues with automatic door locking features.
3. What causes the B297C code to appear?
The code can be caused by a faulty driver door open switch, damaged wiring or connectors in the door circuit, or a malfunctioning Body Control Module (BCM).
4. Can a faulty door latch mechanism trigger the B297C code?
Yes, a malfunctioning door latch assembly that integrates the door open switch can cause the code to appear.
5. How can I diagnose the B297C code on my GMC?
Use a scan tool to confirm the code, then inspect the driver door open switch, wiring, and connectors for damage or corrosion. Test the switch operation with a multimeter if necessary.
6. What is the driver door open switch, and what does it do?
The driver door open switch detects whether the driver’s door is open or closed and sends this information to the Body Control Module (BCM) for various functions like interior lights and warnings.
7. Can the B297C code cause other systems to malfunction?
Yes, it can affect features like automatic door locking, interior lighting, and alarm systems that rely on the driver door's status.
8. How is the B297C code fixed?
Repairs may include replacing the driver door open switch, repairing damaged wiring, cleaning corroded connectors, or reprogramming the BCM if necessary.
9. Is it safe to drive with the B297C code active?
While it may not directly affect drivability, it can compromise safety features like door locking systems and should be addressed promptly.
10. Can a dead battery or power surge cause the B297C code?
Yes, issues like a dead battery, power surge, or electrical short can potentially disrupt the door open switch circuit and trigger this code.
Discuss the causes and fixes for B297C GMC OBDII Code
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