Engine-CodesRAM – B1971 RAM

B1971 RAM Code - Power Liftgate Latch Cinch Ratchet Primary Switch Performance

Quick Answer

The B1971 diagnostic trouble code (DTC) specifically refers to an issue with the Power Liftgate Latch Cinch Ratchet Primary Switch Performance in a vehicle. Common causes include Faulty primary switch in the power liftgate latch, Wiring issues or electrical connection problems, Mechanical failure of the cinch ratchet mechanism. 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
B1971 RAM indicates Power Liftgate Latch Cinch Ratchet Primary Switch Performance.
Common causes
Common causes include Faulty primary switch in the power liftgate latch, Wiring issues or electrical connection problems, Mechanical failure of the cinch ratchet mechanism.
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.
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code B1971 RAM Description

The B1971 diagnostic trouble code (DTC) specifically refers to an issue with the Power Liftgate Latch Cinch Ratchet Primary Switch Performance in a vehicle. This code indicates that there is a problem with the primary switch that controls the cinch ratchet mechanism on the power liftgate latch. The cinch ratchet is responsible for securely latching the liftgate in place when closed, ensuring that it remains shut while the vehicle is in motion.

OBDII Code B1971 RAM - Power Liftgate Latch Cinch Ratchet Primary Switch Performance
B1971 RAM Code - Power Liftgate Latch Cinch Ratchet Primary Switch Performance

Common Causes of B1971 RAM

  1. Faulty primary switch in the power liftgate latch.
  2. Wiring issues or electrical connection problems.
  3. Mechanical failure of the cinch ratchet mechanism.
  4. Water or moisture damage affecting the switch.
  5. Impact or physical damage to the liftgate causing misalignment.

Symptoms of B1971 RAM

  1. Power liftgate fails to latch securely when closed.
  2. Liftgate opens unexpectedly while driving.
  3. Warning light on the dashboard indicating a liftgate issue.
  4. Audible clicking or grinding noises when operating the power liftgate.

How to Fix B1971 RAM

  1. Begin by diagnosing the specific cause of the issue by conducting a thorough inspection of the power liftgate latch system.
  2. Test the primary switch for proper functionality using a multimeter to check for continuity and proper voltage.
  3. Inspect the wiring and electrical connections for any signs of damage or corrosion, repairing or replacing as needed.
  4. If the cinch ratchet mechanism is faulty, replace the entire latch assembly to ensure proper operation.
  5. Clear the DTC from the vehicle's onboard computer using a diagnostic scan tool after completing the repair to reset the system.

Cost to Fix B1971 RAM

The cost of repairing a B1971 DTC related to the Power Liftgate Latch Cinch Ratchet Primary Switch Performance can vary depending on the specific cause of the issue and the vehicle make and model. In general, parts for this repair can range from $100 to $300, with labor costs adding an additional $100 to $200. Overall, the total repair cost could fall between $200 and $500, but it's essential to consult with a qualified mechanic or dealership for a more accurate estimate based on your vehicle's specific needs. Keep in mind that labor rates and diagnostic fees can vary based on location and service provider.

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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 B1971 RAM Code

1. What does the OBDII code B1971 mean on a RAM vehicle?

B1971 indicates an issue with the Power Liftgate Latch Cinch Ratchet Primary Switch, specifically a performance problem.

2. What are common symptoms of code B1971 in a RAM vehicle?

Symptoms may include the liftgate not closing or latching properly, unusual noises from the latch mechanism, or the liftgate failing to fully secure.

3. What causes the B1971 code to appear?

This code can be caused by a faulty cinch ratchet primary switch, damaged wiring or connectors, or mechanical issues with the liftgate latch mechanism.

4. Can a loose connection trigger the B1971 code?

Yes, loose or corroded electrical connections in the liftgate latch circuitry can trigger this code.

5. How do I diagnose the B1971 code in my RAM vehicle?

To diagnose, inspect the latch mechanism, check the wiring and connectors for damage or corrosion, and test the cinch ratchet primary switch for proper functionality.

6. Can the B1971 code cause the liftgate to stop working completely?

Yes, in some cases, the liftgate may stop functioning entirely if the issue with the cinch ratchet primary switch is severe.

7. How do I fix the B1971 code?

Repairs may involve replacing the cinch ratchet primary switch, repairing damaged wiring, or servicing the liftgate latch mechanism.

8. Is it safe to drive with the B1971 code active?

While the code doesn’t typically affect driving performance, an improperly secured liftgate could pose a safety risk.

9. How much does it cost to fix the B1971 code?

The repair cost can vary but typically ranges from $100 to $400, depending on whether the issue is electrical or mechanical.

10. Can I clear the B1971 code without fixing the underlying issue?

Clearing the code without addressing the problem may result in the code returning, as the underlying issue remains unresolved.

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