AutoCodes – Generic – U1190

U1190 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 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 14,823

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 Apr 26, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code U1190 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 - Lost Communications With Humidity Sensor - AutoCodes.com — U1190 Code - Lost Communications With Humidity Sensor

What does this mean?

What are the Possible Causes of the DTC U1190?

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

How to Fix the DTC U1190?

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 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 code?

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Need Help with the Code?

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Information for Specific Makes

U1190 Chrysler — Lost Communications With Humidity Sensor
U1190 Dodge — Lost Communications With Humidity Sensor
U1190 Jeep — Lost Communications With Humidity Sensor
U1190 RAM — Lost Communications With Humidity Sensor

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.