AutoCodes – Jeep – U1190 Jeep

U1190 Jeep Code - Lost Communications With Humidity Sensor

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Body Control Module (BCM) does not receive Local Interconnect Network (LIN) Bus messages from the Humidity Sensor for greater than three seconds. Common causes include Faulty Humidity Sensor, Humidity Sensor harness is open or shorted, Humidity Sensor 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: U1190 Jeep indicates Lost Communications With Humidity Sensor.
Common causes: Common causes include Faulty Humidity Sensor, Humidity Sensor harness is open or shorted, Humidity Sensor 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 3,651

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Apr 26, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1190 Jeep Description

The Diagnostic Trouble Code (DTC) sets when the Body Control Module (BCM) does not receive Local Interconnect Network (LIN) Bus messages from the Humidity Sensor for greater than three seconds.

OBDII Code U1190 Jeep - Lost Communications With Humidity Sensor - AutoCodes.com — U1190 Jeep Code - Lost Communications With Humidity Sensor

What does this mean?

What are the Possible Causes of the DTC U1190 Jeep?

Faulty Humidity Sensor
Humidity Sensor harness is open or shorted
Humidity Sensor circuit poor electrical connection

How to Fix the DTC U1190 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 U1190 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 U1190 Jeep code?

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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 U1190 Jeep Code

What does the OBDII code U1190 mean for my Jeep?

U1190 indicates that there is a loss of communication with the humidity sensor, which could affect various functions related to climate control and air quality.

What are the common symptoms of the U1190 code?

Common symptoms include improper functioning of the air conditioning system, erratic climate control settings, and a check engine light illuminated on the dashboard.

What might cause the U1190 code to trigger?

Causes can include a faulty humidity sensor, damaged wiring or connectors, issues with the body control module, or software glitches in the vehicle's computer system.

How can I diagnose the U1190 code?

To diagnose U1190, check the vehicle's wiring and connectors for damage, test the humidity sensor with a multimeter, and use a scan tool to monitor communication between the sensor and the vehicle's computer.

Is it safe to drive my Jeep with the U1190 code?

While it may be safe to drive, the loss of communication with the humidity sensor can affect the performance of the climate control system. It's best to address the issue to ensure optimal vehicle comfort and efficiency.

What should I do if I have the U1190 code?

Start by inspecting the humidity sensor and its wiring for any visible damage, then clear the code and see if it returns. If the problem persists, consider consulting a professional mechanic for further diagnosis.

Can I fix the U1190 code myself?

If you have experience with automotive repairs, you can attempt to diagnose and replace the humidity sensor or repair any wiring issues. However, if you're unsure, it's best to seek professional help.

Will clearing the U1190 code resolve the issue?

Clearing the code may temporarily turn off the check engine light, but if the underlying problem with the humidity sensor or its communication persists, the code will likely return.

How much does it typically cost to repair a U1190 code?

Repair costs can vary widely depending on the cause, ranging from a simple wiring fix (which might be inexpensive) to replacing the humidity sensor or addressing more complex issues, which could cost from $100 to several hundred dollars.