B1370 Mercury Code - Door Handle Ground Supply Signal Stuck
Quick Answer
The Remote Function Actuator (RFA) Module interprets radio frequency signals from the Remote Functions Receiver (RFR) Module and Intelligent Access (IA) key transmitters. Common causes include Faulty Door Handle, Door Handle harness is open or shorted, Door Handle 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
- B1370 Mercury indicates Door Handle Ground Supply Signal Stuck.
- Common causes
- Common causes include Faulty Door Handle, Door Handle harness is open or shorted, Door Handle 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 B1370 Mercury Description
What are the Possible Causes of the DTC B1370 Mercury?
- Faulty Door Handle
- Door Handle harness is open or shorted
- Door Handle circuit poor electrical connection
- Faulty Remote Function Actuator (RFA) Module
How to Fix the DTC B1370 Mercury?
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.
Code Tech Notes
B1370:24 Door Handle Ground Supply Signal Stuck High
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1370 Mercury 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 B1370 Mercury Code
1. What are the common symptoms of OBDII code B1370 (Mercury) related to the door handle ground supply signal being stuck?
- The most common symptoms include non-functional door handles, difficulty opening or closing doors, and in some cases, interior lights not turning on when the door is opened.
2. What are the possible causes of OBDII code B1370 (Mercury) indicating a stuck door handle ground supply signal?
- The code can be triggered by a faulty ground connection, damaged wiring, or a malfunctioning door handle sensor.
3. How can I diagnose the issue causing OBDII code B1370 (Mercury) to appear?
- To diagnose the problem, you can start by checking the wiring and connections of the door handle sensor, testing the sensor itself, and inspecting for any visible damage or corrosion.
4. Can a DIY enthusiast repair OBDII code B1370 (Mercury) related to a stuck door handle ground supply signal?
- Depending on your skill level and access to tools, you may be able to repair this issue by fixing the ground connection, replacing damaged wiring, or replacing the door handle sensor.
5. Is it safe to continue driving with OBDII code B1370 (Mercury) unresolved?
- While the vehicle may still be operational with this code, it is not recommended to ignore it, as it can lead to further electrical issues or difficulties with accessing the vehicle.
6. Are there any temporary fixes for OBDII code B1370 (Mercury) until I can repair it?
- In some cases, temporarily disconnecting the battery to reset the system may clear the code, but this is not a permanent solution and the underlying issue should still be addressed.
7. How much does it typically cost to repair OBDII code B1370 (Mercury) caused by a stuck door handle ground supply signal?
- The cost of repair can vary depending on the specific cause of the issue, but it may range from relatively inexpensive for a DIY repair to more costly for professional diagnosis and replacement of parts.
8. Can extreme weather conditions contribute to triggering OBDII code B1370 (Mercury) due to a stuck door handle ground supply signal?
- Yes, extreme cold or hot temperatures can sometimes affect the electrical components of a vehicle, potentially causing issues with sensors or wiring related to the door handles.
9. Are there any recalls or technical service bulletins related to OBDII code B1370 (Mercury) and the door handle ground supply signal being stuck?
- You may want to check with the manufacturer or authorized dealerships to see if there are any known issues, recalls, or technical service bulletins addressing this specific problem in your Mercury vehicle.
10. How can I prevent OBDII code B1370 (Mercury) from reoccurring after I have repaired the issue with the door handle ground supply signal?
- To prevent the code from reoccurring, make sure to properly secure all connections, regularly inspect the wiring and sensors for any signs of wear, and address any issues promptly to avoid further complications.
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