U2144 GMC Code - Lost Communication With Distance Sensing Cruise Control Module
Quick Answer
Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Distance Sensing Cruise Control Module, Distance Sensing Cruise Control Module harness is open or shorted, Distance Sensing Cruise 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
- U2144 GMC indicates Lost Communication With Distance Sensing Cruise Control Module.
- Common causes
- Common causes include Faulty Distance Sensing Cruise Control Module, Distance Sensing Cruise Control Module harness is open or shorted, Distance Sensing Cruise 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 U2144 GMC Description
What are the Possible Causes of the DTC U2144 GMC?
- Faulty Distance Sensing Cruise Control Module
- Distance Sensing Cruise Control Module harness is open or shorted
- Distance Sensing Cruise Control Module circuit poor electrical connection
How to Fix the DTC U2144 GMC?
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 U2144 GMC 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.
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Frequently Asked Questions about U2144 GMC Code
1. What does the OBDII code U2144 mean for GMC vehicles?
U2144 indicates a loss of communication with the Distance Sensing Cruise Control (DSCC) module, which is responsible for adaptive cruise control and distance monitoring.
2. What are the common symptoms of the U2144 code?
Symptoms may include the adaptive cruise control not functioning, warning lights on the dashboard, or a general loss of advanced driver-assistance features.
3. What causes the U2144 code to appear?
The code can be triggered by faulty wiring, a malfunctioning DSCC module, a poor electrical connection, or an issue with the CAN (Controller Area Network) bus communication.
4. Can a low battery cause the U2144 code?
Yes, a low or failing battery can disrupt communication between modules and potentially trigger the U2144 code.
5. How can I diagnose the U2144 code on my GMC?
Start by checking the wiring and connectors related to the DSCC module, then inspect the module itself and test the CAN bus network for faults.
6. Is it safe to drive with the U2144 code active?
While the vehicle may still be drivable, features like adaptive cruise control and collision avoidance may not work, which could compromise safety.
7. What repairs are needed to fix the U2144 code?
Repairs may involve fixing damaged wiring, replacing the DSCC module, or addressing issues with the CAN bus system, depending on the root cause.
8. Does the U2144 code require professional repair?
If basic checks like inspecting wires and connectors don’t resolve the issue, professional diagnostics with specialized tools may be necessary.
9. Can software updates fix the U2144 code?
In some cases, a software update to the vehicle’s control modules may resolve communication issues and clear the code.
10. Will clearing the U2144 code with a scanner fix the problem?
Clearing the code may temporarily remove it, but the underlying issue must be resolved to prevent it from returning.
Discuss the causes and fixes for U2144 GMC OBDII Code
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