AutoCodes – Jeep – B1981 Jeep

B1981 Jeep Code - Power Liftgate Latch Control 1 Circuit High

Quick Answer

The Power Liftgate Module monitors the Power Liftgate Latch. Common causes include High Battery Voltage, Faulty Liftgate Latch Cinch, Liftgate Latch Cinch harness is open or shorted. 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: B1981 Jeep indicates Power Liftgate Latch Control 1 Circuit High.
Common causes: Common causes include High Battery Voltage, Faulty Liftgate Latch Cinch, Liftgate Latch Cinch harness is open or shorted.
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.

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Code Popularity 610

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 03, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1981 Jeep Description

The Power Liftgate Module monitors the Power Liftgate Latch. The Power Liftgate Module sets the OBDII codes when the liftgate latch motor cinch or release output is pulled high prior to or during a latch cinch or release operation, this code will set.

OBDII Code B1981 Jeep - Power Liftgate Latch Control 1 Circuit High - AutoCodes.com — B1981 Jeep Code - Power Liftgate Latch Control 1 Circuit High

What does this mean?

What are the Possible Causes of the DTC B1981 Jeep?

High Battery Voltage
Faulty Liftgate Latch Cinch
Liftgate Latch Cinch harness is open or shorted
Liftgate Latch Cinch circuit poor electrical connection
Faulty Power Liftgate Latch
Faulty Power Liftgate Module

How to Fix the DTC B1981 Jeep?

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 B1981 Jeep 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 B1981 Jeep Code

1. What are the common symptoms of OBDII code B1981 in a Jeep related to the Power Liftgate Latch Control 1 Circuit High?

- Common symptoms include the power liftgate not opening or closing properly, a non-functional power liftgate latch, and warning lights illuminated on the dashboard.

2. What are some possible causes of OBDII code B1981 in a Jeep related to the Power Liftgate Latch Control 1 Circuit High?

- Possible causes include a faulty power liftgate latch, damaged wiring or connectors in the circuit, a malfunctioning liftgate control module, or a software issue.

3. How can I diagnose the OBDII code B1981 in a Jeep related to the Power Liftgate Latch Control 1 Circuit High?

- Diagnosis typically involves using a scan tool to retrieve the specific fault code, inspecting the wiring and connectors for any visible damage, and testing the power liftgate latch and control module for proper functionality.

4. What are the repair options for OBDII code B1981 in a Jeep related to the Power Liftgate Latch Control 1 Circuit High?

- Repair options may include repairing or replacing damaged wiring or connectors, replacing the power liftgate latch, reprogramming the liftgate control module, or addressing any software issues through a software update.

5. Can I still use the power liftgate manually if OBDII code B1981 is present in a Jeep related to the Power Liftgate Latch Control 1 Circuit High?

- In most cases, yes, you should still be able to use the power liftgate manually even if the code is present. Refer to your vehicle's manual for instructions on manually operating the power liftgate.

6. Is OBDII code B1981 related to the Power Liftgate Latch Control 1 Circuit High a serious issue in a Jeep?

- While the code may affect the convenience of the power liftgate operation, it is not typically a serious safety concern. However, it is recommended to address the issue promptly to avoid further complications.

7. How much does it cost to repair OBDII code B1981 in a Jeep related to the Power Liftgate Latch Control 1 Circuit High?

- The cost of repairs can vary depending on the specific cause of the issue, parts needed for replacement, and labor charges. It is advisable to consult with a professional mechanic for an accurate estimate.

8. Can I reset the OBDII code B1981 in a Jeep related to the Power Liftgate Latch Control 1 Circuit High on my own?

- While you can attempt to clear the code using an OBDII scan tool, it is important to first diagnose and address the underlying issue causing the code to prevent it from reoccurring.