U1111 Nissan Code - Lost Communication With Chassis Control Module
Quick Answer
The Diagnostic Trouble Code (DTC) sets when the ignition switch is ON, Transmission Control Module (TCM) is unable to receive the Controlled Area Network (CAN) communications signal from Chassis Control Module continuously for 2 seconds or more. Common causes include Faulty Chassis Control Module, Chassis Control Module harness is open or shorted, Chassis Control Module 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
- U1111 Nissan indicates Lost Communication With Chassis Control Module.
- Common causes
- Common causes include Faulty Chassis Control Module, Chassis Control Module harness is open or shorted, Chassis Control Module 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.
Code U1111 Nissan Description
What are the Possible Causes of the DTC U1111 Nissan?
- Faulty Chassis Control Module
- Chassis Control Module harness is open or shorted
- Chassis Control Module circuit poor electrical connection
How to Fix the DTC U1111 Nissan?
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 U1111 Nissan 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 U1111 Nissan code?
Need more information on how to fix the U1111 Nissan code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U1111 Nissan code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U1111 Nissan Code
What does the OBDII code U1111 mean for my Nissan?
The code U1111 indicates that there is lost communication with the Chassis Control Module, which may affect various systems such as traction control and stability control.
What are the common symptoms associated with the U1111 code?
Common symptoms include warning lights on the dashboard, loss of certain vehicle functions (like traction control), and erratic behavior of systems that rely on the Chassis Control Module.
What can cause the U1111 code to trigger in my Nissan?
Causes can include a faulty Chassis Control Module, damaged wiring or connectors, issues with the vehicle’s battery or alternator, or problems with other related modules.
How can I diagnose the U1111 code?
Start by using an OBDII scanner to confirm the code and check for any related codes. Inspect wiring and connectors for damage, and test the Chassis Control Module and associated components for proper function.
What repairs are typically needed if my Nissan shows the U1111 code?
Repairs may involve fixing or replacing the wiring and connectors, replacing the Chassis Control Module, or addressing any related issues with the vehicle’s electrical system.
Can I drive my Nissan if the U1111 code is present?
While it may be possible to drive, doing so is not recommended as it can lead to a loss of control systems, potentially compromising safety.
How can I prevent the U1111 code from reoccurring?
Regular maintenance of your vehicle's electrical system, timely repairs of any faults, and ensuring that all connections are secure can help prevent this code from reappearing.
Is it safe to clear the U1111 code without fixing the underlying issue?
No, clearing the code without addressing the root cause can lead to further problems and may compromise vehicle safety and performance.
What should I do if I cannot find the source of the U1111 code?
If you cannot diagnose the issue, it is best to consult a professional mechanic or a Nissan dealership for a thorough inspection and repair.
Discuss the causes and fixes for U1111 Nissan OBDII Code
Code U1111 Nissan comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
