The B1374 code signifies a problem with the Illuminated Entry Relay circuit. This issue occurs when the relay does not meet the required factory standards, usually due to a short to ground in the circuit.
Common symptoms of this code include the illumination of the engine light or service engine soon warning light.
To address this problem, it is advisable to seek assistance from a professional who can conduct a comprehensive inspection and provide an estimate for repair.
What does it mean
The B1374 code indicates a short to ground in the relay circuit, detected by the Body Control Module (BCM).
Promptly addressing this issue is crucial to prevent further damage to the electrical system.
Even if no noticeable symptoms are present, it is important to diagnose and repair the underlying issue to avoid future problems.
Inspect wiring, connectors, and components for damage or corrosion, and seek professional help if needed.
what are the symptoms
The symptoms of the B1374 code may include the Engine Light or Service Engine Soon Warning Light turning on, as well as other potential issues depending on the specific vehicle. To effectively diagnose the DTC B1374, there are different tests that can be done on the Illuminated Entry Relay circuit.
Here are some possible symptoms to watch out for:
- Interior lights not working correctly
- Malfunctioning power door locks
- Problems with the radio or other electrical accessories
- Issues with the battery draining
If you notice these symptoms along with the illuminated Engine Light, it is important to conduct a thorough diagnosis to determine the exact cause of the B1374 code. This may involve visually inspecting the wiring harness and connectors, checking for any damaged components, and looking for signs of connector pin problems.
If necessary, seek professional help to ensure an accurate diagnosis and resolution of the issue.
What are the causes
Possible causes of the B1374 code include a faulty Illuminated Entry Relay, a problem with the wiring or connections related to the relay, and issues with the electrical circuit. There could be other reasons as well.
When diagnosing the B1374 code, it's important to avoid common mistakes. These include not checking for damaged components, neglecting to inspect the wiring and connectors related to the code, and not looking for any broken, bent, pushed out, or corroded connector pins.
To effectively troubleshoot the B1374 code, follow these steps:
- Inspect the wiring and connectors
- Check for any damaged components
- Look for any broken or corroded connector pins
- Refer to the possible causes mentioned earlier.
If necessary, it's recommended to seek professional assistance for an accurate diagnosis and resolution of the issue.
What Tools are Needed to diagnose
In order to diagnose the B1374 code, you will need specific diagnostic tools. These tools are necessary for conducting the diagnostic procedures for DTC B1374 and troubleshooting the Illuminated Entry Relay circuit.
Here are the tools you need to diagnose the B1374 code:
- OBD-II scanner: This tool allows you to retrieve the trouble codes stored in the vehicle's computer system, including the B1374 code.
- Digital multimeter: This tool measures voltage, resistance, and continuity in the circuit, helping to identify any issues with the Illuminated Entry Relay.
- Wiring diagram: You will need a wiring diagram specific to the vehicle in question. This diagram is essential for tracing the circuit and locating any potential faults.
- Service manual: A service manual provides detailed instructions and specifications for diagnosing and repairing the B1374 code.
How to fix Step by Step
Step 1: Visually inspect the wiring harness and connectors related to the B1374 code.
Step 2: Look for any damaged components, such as broken, bent, pushed out, or corroded connector pins.
Step 3: Check for any loose or disconnected wires that may be causing poor electrical connections.
Step 4: Refer to the list of possible causes mentioned earlier to help narrow down the problem.
Step 5: Accurately diagnose the issue by considering common signs of a faulty illuminated entry relay, such as an illuminated engine light or specific vehicle symptoms.
Step 6: If necessary, seek professional help to ensure a proper repair and resolution of the B1374 code.
What are the Common Diagnosis Mistakes
Common Diagnosis Mistakes to Avoid with the B1374 Code:
- Not thoroughly inspecting the wiring harness and connectors related to the code. It is essential to carefully examine these components as they can often be the source of the problem.
- Failing to check for damaged components like the illuminated entry relay.
- Overlooking broken, bent, pushed out, or corroded connector pins.
- Neglecting to refer to the possible causes listed above.
- Not seeking professional help when required.
To effectively diagnose and resolve the B1374 code, it is crucial to perform a comprehensive inspection of the wiring harness and connectors. Check for any signs of damage or poor connections.
Additionally, make sure to consider all potential causes and consult a professional if needed.
What is the Repair Cost
The repair cost for the B1374 code can vary depending on factors like location, make, and model. Labor rates range from $75 to $150 per hour. It's recommended to consult a professional for an accurate estimate.
The repair duration depends on the vehicle and the issue's extent. Seek professional help as there are no known DIY methods for fixing this code.
Can I drive safely with this code?
Driving with the B1374 code is not recommended as it can compromise vehicle safety. This code indicates a short to ground in the Illuminated Entry Relay circuit, which can lead to electrical issues and unexpected failures of lighting systems.
Promptly diagnose and repair the issue to ensure safe operation of your vehicle.
Conclusion
In conclusion, the B1374 code indicates a malfunction in the Illuminated Entry Relay circuit.
Symptoms may include the illumination of the engine light or service engine soon warning light.
The causes can vary, but a thorough inspection of the wiring harness and connectors related to the code is recommended.
It is important to consult a professional for an accurate diagnosis and repair estimate.