Engine-Codes.com
Engine-Codes – RAM – U1190 RAM

U1190 RAM Code - Lost Communications With Humidity Sensor

Quick Answer

The U1190 diagnostic trouble code (DTC) indicates that the vehicle's onboard computer has lost communication with the humidity sensor. Common causes include Faulty humidity sensor, Wiring or connection issues between the sensor and the vehicle's computer, Corrosion or damage to the sensor or its connectors. 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 RAM indicates Lost Communications With Humidity Sensor.
Common causes
Common causes include Faulty humidity sensor, Wiring or connection issues between the sensor and the vehicle's computer, Corrosion or damage to the sensor or its connectors.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 05, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code U1190 RAM Description

The U1190 diagnostic trouble code (DTC) indicates that the vehicle's onboard computer has lost communication with the humidity sensor. This sensor is responsible for monitoring the humidity levels in the surrounding environment and providing data to the vehicle's systems for optimal performance. When communication with the sensor is lost, it can lead to issues with the vehicle's fuel efficiency, emissions control, and overall engine performance.

OBDII Code U1190 RAM - Lost Communications With Humidity Sensor
U1190 RAM Code - Lost Communications With Humidity Sensor

Common Causes of U1190 RAM

  1. Faulty humidity sensor
  2. Wiring or connection issues between the sensor and the vehicle's computer
  3. Corrosion or damage to the sensor or its connectors
  4. Software or programming issues within the vehicle's computer system
  5. Electrical interference or signal disruption affecting communication with the sensor

Symptoms of U1190 RAM

  1. Check engine light illuminated on the dashboard
  2. Inaccurate readings or fluctuations in the climate control system
  3. Decreased fuel efficiency
  4. Rough idling or hesitation during acceleration
  5. Increased emissions levels

How to Fix U1190 RAM

  1. Diagnose the issue by using a diagnostic scanner to retrieve the specific trouble code and verify the loss of communication with the humidity sensor.
  2. Inspect the sensor and its connections for any visible damage, corrosion, or loose connections. Repair or replace any faulty components as necessary.
  3. Check the wiring harness for any signs of damage or wear. Repair or replace any damaged wires or connectors.
  4. Clear the trouble code from the vehicle's computer memory and perform a test drive to ensure the issue has been resolved.
  5. If the problem persists, further diagnostic testing may be necessary to identify any underlying issues with the vehicle's computer system or other components.

Cost to Fix U1190 RAM

The cost of repairing a U1190 DTC can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, you can expect to pay anywhere from $100 to $300 for parts and labor to address this problem. However, keep in mind that labor rates at auto repair shops can vary, so it's advisable to check with local shops for more accurate pricing. Additionally, if the issue requires more extensive repairs or component replacements, the cost could be higher.

Need more information about the U1190 RAM code?

Need more information on how to fix the U1190 RAM code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1190 RAM 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 U1190 RAM Code

1. What are common symptoms of OBDII code U1190 RAM - Lost Communications With Humidity Sensor?

The common symptoms include a check engine light illuminating on the dashboard, potential loss of climate control functions, and inaccurate humidity readings on the vehicle's display.

2. What are possible causes of OBDII code U1190 RAM?

Possible causes of this code include a faulty humidity sensor, damaged wiring or connectors related to the sensor, a software glitch in the vehicle's system, or a communication breakdown between the sensor and the vehicle's onboard computer.

3. How can I diagnose the issue related to OBDII code U1190 RAM?

To diagnose the issue, you can start by checking the wiring and connectors of the humidity sensor for any visible damage. You can also perform a scan of the vehicle's onboard computer system to identify any communication errors with the sensor.

4. Can I still drive my vehicle with OBDII code U1190 RAM active?

In most cases, it is safe to drive the vehicle with this code active, but it is recommended to have the issue diagnosed and repaired as soon as possible to prevent any further complications or potential damage to other components.

5. How can I repair OBDII code U1190 RAM - Lost Communications With Humidity Sensor?

Repairing this code typically involves replacing the faulty humidity sensor, repairing any damaged wiring or connectors, updating the vehicle's software if necessary, and clearing the error code with a diagnostic tool.

6. Is it possible to reset OBDII code U1190 RAM without fixing the underlying issue?

While you can clear the error code temporarily with a diagnostic tool, the code is likely to reappear if the underlying issue with the humidity sensor or related components is not addressed.

7. Can extreme weather conditions affect the likelihood of OBDII code U1190 RAM appearing?

Extreme weather conditions, particularly high humidity levels, can potentially impact the performance of the humidity sensor and increase the chances of triggering code U1190 RAM due to communication issues.

8. Will replacing the humidity sensor always solve OBDII code U1190 RAM?

Replacing the humidity sensor is a common solution for resolving this code, but it is important to ensure that the wiring and connectors are also in good condition to prevent future communication errors.

9. How much does it typically cost to repair OBDII code U1190 RAM?

The cost of repairing this code can vary depending on the specific cause of the issue, the labor rates of the repair facility, and the cost of parts involved. It is recommended to obtain quotes from different service centers for an accurate estimate.

10. Can a DIY enthusiast repair OBDII code U1190 RAM at home?

While some aspects of diagnosing and repairing this code can be done by experienced DIY enthusiasts, it is recommended to seek professional help, especially when it comes to dealing with sensitive electronic components and onboard computer systems.

Discuss the causes and fixes for U1190 RAM OBDII Code

Submit a New Comment

Code U1190 RAM comments

No comments found for this page.