The OBD code U0146 for Dodge indicates a communication error with the Gateway Module ‘A’.
This affects the communication network in the vehicle.
Symptoms include the Engine Light being ON.
The issue is often caused by a faulty Gateway Module ‘A’, open/shorted harness, or poor electrical connection.
It is a moderate issue.
To fix, inspect the wiring harness, connectors, and components for any damage or corrosion.
Repair Importance Level | 10.0 (Out of 10) |
Estimated Repair Time | Approximately 1.0 hour |
Repair Difficulty Level | 10.0 (Out of 10) |
Symptoms of the Dodge u0146 OBD Code
The Dodge U0146 fault code typically triggers when there is a communication error with the gateway module.
- Symptoms: Service Engine Soon Warning Light ON.
- Loss of communication with the Gateway Control Module.
- Possible issues with the vehicle’s network communication system.
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Causes of the Dodge u0146 OBD Code
Possible reasons for Dodge fault code U0146 include communication issues within the vehicle’s network.
- U0146 can be caused by a faulty Gateway Module ‘A’.
- A Gateway Module ‘A’ harness that is open or shorted.
- A Gateway Module ‘A’ circuit with poor electrical connection.
Fixing Dodge Error Code u0146 Step By Step
Resolve Dodge fault code U0146 by inspecting and repairing the communication network between modules.
- To fix the Dodge OBDII code U0146, start by reviewing the possible causes mentioned above.
- Visually examine the wiring harness and connectors related to the affected module.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If no visible issues are found, proceed to test the affected module for proper operation.
- Consider resetting the module or performing a software update if necessary.
- Replace the module if all other steps fail to resolve the U0146 code.
Cost Of Fixing Dodge u0146 Fault Code
Diagnosing and repairing Dodge code U0146 involves troubleshooting communication issues within the vehicle network.
The cost to diagnose and fix Dodge OBD code U0146 typically ranges from $75 to $150, with an estimated repair time of 1. 0 hour.
Costs depend on labor rates, shop location, and the complexity of the repair needed.
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Details of the Dodge u0146 OBD Code
Dodge code U0146 indicates a lost communication with the gateway module.
Dodge OBD code U0146 means Lost Communication with Gateway A.
This code is triggered when the Body Control Module (BCM) detects a communication error with the Gateway Module A.
The Gateway Module A serves as a communication hub between different vehicle systems like the BCM, Engine Control Module (ECM), Transmission Control Module (TCM), etc.
When communication is lost with this module, the U0146 code is set.
This can lead to issues with various vehicle functions and systems that rely on proper communication between modules.
Mechanic’s Tech Notes
Detailed information on Dodge code U0146, which indicates a lost communication with the gateway module.
To diagnose and fix OBDII code U0146 in a Dodge, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) network with 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 U0146 in a Dodge indicates a faulty Gateway Module ‘A’. Check wiring harness, connectors, and components for damage or corrosion.
Diagnose OBD code U0146 in Dodge by checking for a faulty Gateway Module ‘A’, open/shorted harness, or poor electrical connection. Inspect wiring and connectors for damage.
Common symptoms for U0146 in a Dodge include Engine Light ON. To address, check Gateway Module ‘A’ for faults, inspect wiring, connectors, and components for damage or corrosion.

Wrap Up
If your Dodge is displaying OBD code U0146, you may experience issues with the vehicle’s communication network, possibly caused by faulty modules, wiring problems, or a loss of power or ground to the network.
This can lead to various electrical malfunctions and communication errors within the vehicle’s systems.
To address Dodge OBD code U0146, start by inspecting the wiring harness for any visible damage or corrosion.
Check the connectors for proper connection and signs of wear.
Test the power and ground circuits related to the affected modules.
Consider replacing any faulty modules or repairing damaged wiring to restore proper communication
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