AutoCodes – Ford – B1370 Ford

B1370 Ford 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 Ford 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 2,554
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Feb 18, 2019
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Code B1370 Ford Description

The Remote Function Actuator (RFA) Module interprets radio frequency signals from the Remote Functions Receiver (RFR) Module and Intelligent Access (IA) key transmitters. The RFA module receives input signals from various modules and other components. Based on this information, the RFA module generates an output signal to control various components such as the door locks and the liftgate. The OBDII code sets when the RFA module detects a short to ground or voltage from the exterior door handle ground supply circuit. All of the doors are affected when this DTC sets.
OBDII Code B1370 Ford - Door Handle Ground Supply Signal Stuck - AutoCodes.com
B1370 Ford Code - Door Handle Ground Supply Signal Stuck

What are the Possible Causes of the DTC B1370 Ford?

  • 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 Ford?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1370 Ford 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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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1370 Ford Code

1. What are the common symptoms of OBDII code B1370 Ford related to the Door Handle Ground Supply Signal Stuck?

The common symptoms include malfunctioning door handles, difficulty opening or closing doors, and interior lights failing to turn on when the door is opened.

2. What are the possible causes of OBDII code B1370 Ford indicating a Door Handle Ground Supply Signal Stuck?

Potential causes include damaged wiring or connectors in the door handle circuit, a faulty door handle switch, or a malfunctioning body control module.

3. How can I diagnose the issue causing OBDII code B1370 Ford for the Door Handle Ground Supply Signal Stuck?

You can start by visually inspecting the wiring and connectors in the door handle circuit for any signs of damage. Using a multimeter to test the continuity of the circuit and checking the door handle switch for proper operation can help pinpoint the issue.

4. Are there any simple repair tips for addressing OBDII code B1370 Ford indicating a Door Handle Ground Supply Signal Stuck?

Try cleaning the connectors in the door handle circuit and ensuring they are securely connected. Replacing a faulty door handle switch or repairing damaged wiring may also resolve the issue.

5. Can OBDII code B1370 Ford related to the Door Handle Ground Supply Signal Stuck pose any safety risks?

While the issue may not directly impact the vehicle's drivability, malfunctioning door handles can compromise passenger safety in the event of an emergency. It is advisable to address the problem promptly.

6. Is it possible to reset OBDII code B1370 Ford for the Door Handle Ground Supply Signal Stuck without repairs?

Resetting the code without addressing the underlying issue may only provide a temporary solution. It is recommended to diagnose and repair the cause of the code to prevent it from recurring.

7. How much does it typically cost to repair OBDII code B1370 Ford associated with a Door Handle Ground Supply Signal Stuck?

The cost of repairs can vary depending on the specific cause of the issue. Simple fixes like cleaning connectors or replacing a switch may be relatively inexpensive, while more complex repairs involving wiring or module replacement could be costlier.

8. Can I drive my vehicle with OBDII code B1370 Ford for the Door Handle Ground Supply Signal Stuck?

While driving with this code may not directly affect the vehicle's operation, it is important to address the underlying issue to ensure the proper functioning of the door handles and related components.

9. What are the long-term consequences of ignoring OBDII code B1370 Ford indicating a Door Handle Ground Supply Signal Stuck?

Continued neglect of the issue can lead to persistent door handle malfunctions, potential electrical problems, and inconvenience in accessing the vehicle. Addressing the problem promptly can prevent further complications.

10. Are there any preventive measures to avoid encountering OBDII code B1370 Ford related to the Door Handle Ground Supply Signal Stuck?

Regularly inspecting and maintaining the door handles, switches, and wiring can help prevent issues that may trigger this code. Promptly addressing any door handle-related problems can also reduce the likelihood of encountering this fault.

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