The OBD code U2142 for Chevrolet indicates a fault with the Universal Asynchronous Receiver Transmitter (UART) system.
Symptoms include the Engine Light being ON.
This code is usually caused by a faulty UART, open or shorted UART harness, or poor electrical connection in the UART circuit.
It is important to address this issue promptly to prevent further electrical system problems.
A possible fix is to inspect and repair any damaged wiring or connectors related to the UART system.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
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Symptoms of the Chevrolet u2142 OBD Code
The vehicle displays communication issues with the body control module (BCM) when DTC U2142 sets.
- Symptoms: Service Engine Soon Warning Light is illuminated on the dashboard
Causes of the Chevrolet u2142 OBD Code
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Possible triggers for Chevrolet U2142 include communication issues within the body control module network.
- U2142 can be caused by a faulty Universal Asynchronous Receiver Transmitter (UART).
- A Universal Asynchronous Receiver Transmitter harness that is open or shorted.
- A Universal Asynchronous Receiver Transmitter circuit with a poor electrical connection.
Fixing Chevrolet Error Code u2142 Step By Step
Resolve the Chevrolet U2142 code by inspecting the communication network for faults and addressing any issues found.
- To fix U2142 OBDII code on a Chevrolet, start by reviewing the possible causes mentioned above.
- Visually examine the wiring harness and connectors related to the ABS control module.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If any issues are found during the inspection, repair or replace the damaged wiring or connectors as necessary.
- Clear the fault code using a diagnostic scanner.
- Test drive the vehicle to ensure the code does not return, indicating a successful repair.
Cost Of Fixing Chevrolet u2142 Fault Code
Diagnosing and repairing Chevrolet code U2142 involves troubleshooting communication issues within the vehicle network.
The cost to diagnose and fix Chevrolet OBD code U2142 depends on the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour, so the total cost could be between $75 and $150. Factors like shop rates and the complexity of the repair can affect the final cost.
Details of the Chevrolet u2142 OBD Code
The Chevrolet U2142 code indicates a communication error with the body control module.
Chevrolet OBD code U2142 means Data Link Low Voltage.
This code is triggered by the Body Control Module (BCM) when it detects low voltage on the data link circuit.
The data link circuit is responsible for communication between various control modules in the vehicle, allowing them to share information and work together effectively.
When the voltage on this circuit drops below a specified threshold, the U2142 code is set, indicating a potential issue with the data link circuit’s electrical integrity.
Mechanic’s Tech Notes
Detailed information on the Chevrolet U2142 code, including possible causes and diagnostic steps.
To diagnose and fix OBDII code U2142 in a Chevrolet, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) using a scan tool.
If the TCM does not respond, reprogramming or reflashing may be necessary.
Visually inspect the wiring harness and connectors for any damage, focusing on broken, bent, or corroded pins.
Ensure all connections are secure.
If the issue persists, consider consulting a professional for further diagnosis and repair.
FAQ
OBD code U2142 in a Chevrolet indicates an issue with the Universal Asynchronous Receiver Transmitter (UART). Check wiring harness, connectors, and components for damage.
Diagnose code U2142 in Chevrolet by checking for faulty UART, open/shorted harness, or poor electrical connection. Inspect wiring harness, connectors, and components for damage or corrosion.
Common symptoms of OBD code U2142 in a Chevrolet include Engine Light ON. To address, check for faulty UART, open/shorted harness, or poor electrical connection in the circuit.
Wrap Up
If your Chevrolet is displaying OBD code U2142 along with ABS or traction control warning lights, it may indicate a communication error between the body control module (BCM) and the electronic brake control module (EBCM).
This could be caused by faulty wiring connections, damaged wiring harness, or a malfunctioning BCM or EBCM.
To address Chevrolet U2142, start by inspecting the wiring harness and connectors between the BCM and EBCM for any signs of damage, corrosion, or loose connections.
Test the communication lines for continuity and proper voltage levels.
If no issues are found, consider diagnosing
