AutoCodes – Jeep – B2185 Jeep

B2185 Jeep Code - Ignition Unlock Run/Start Control Circuit High

Quick Answer

The Front Control Module will set this Diagnostic Trouble Code (DTC) within 2 seconds if the ignition unlock run/start circuit voltage is not what the expected value should be. Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch 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: B2185 Jeep indicates Ignition Unlock Run/Start Control Circuit High.
Common causes: Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch 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.

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Code Popularity 7,070

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 Sep 25, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2185 Jeep Description

The Front Control Module will set this Diagnostic Trouble Code (DTC) within 2 seconds if the ignition unlock run/start circuit voltage is not what the expected value should be.

OBDII Code B2185 Jeep - Ignition Unlock Run/Start Control Circuit High - AutoCodes.com — B2185 Jeep Code - Ignition Unlock Run/Start Control Circuit High

What does this mean?

What are the Possible Causes of the DTC B2185 Jeep?

Faulty Ignition Switch
Ignition Switch harness is open or shorted
Ignition Switch circuit poor electrical connection
Faulty Front Control Module

How to Fix the DTC B2185 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 B2185 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.

Need more information about the B2185 Jeep code?

Need more information on how to fix the B2185 Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2185 Jeep code diagnosed by a professional: Find a repair shop in your area

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 B2185 Jeep Code

1. What are common symptoms of OBDII code B2185 in a Jeep related to the Ignition Unlock Run/Start Control Circuit High?

- Common symptoms include difficulty starting the vehicle, engine stalling, and issues with the ignition system.

2. What are some possible causes of the OBDII code B2185 in a Jeep?

- Possible causes include a faulty ignition switch, damaged wiring or connectors in the ignition system, or a malfunctioning control module.

3. How can I diagnose the cause of the OBDII code B2185 in my Jeep?

- Diagnose the issue by performing a thorough inspection of the ignition system, checking for loose connections, testing electrical components, and using a diagnostic scan tool to pinpoint the exact cause.

4. Can I still drive my Jeep with the OBDII code B2185 present?

- It is not recommended to drive your Jeep with this code present, as it can lead to potential safety hazards and further damage to the vehicle's ignition system.

5. How can I repair the Ignition Unlock Run/Start Control Circuit High issue in my Jeep?

- Repair the issue by addressing the root cause, such as replacing a faulty ignition switch, repairing damaged wiring, or resetting the control module.

6. Is it possible to reset the OBDII code B2185 in my Jeep without making repairs?

- While you can clear the code temporarily, it is important to address the underlying issue to prevent the code from reappearing and causing further problems.

7. Will replacing the ignition switch fix the OBDII code B2185 in my Jeep?

- Replacing the ignition switch may resolve the issue, but it is recommended to diagnose the problem thoroughly to ensure all potential causes are addressed.

8. Can weather conditions affect the occurrence of the OBDII code B2185 in my Jeep?

- Extreme weather conditions, such as high humidity or temperature fluctuations, can sometimes exacerbate electrical issues leading to the code B2185 in the ignition system.

9. How long does it typically take to repair the Ignition Unlock Run/Start Control Circuit High problem in a Jeep?

- The repair time can vary depending on the exact cause of the issue, but it may take a few hours to a full day to diagnose and fix the problem properly.

10. Should I seek professional help to repair the OBDII code B2185 in my Jeep?

- If you are unsure about diagnosing or repairing the issue yourself, it is recommended to seek help from a qualified mechanic or dealership to ensure the problem is addressed correctly.