[SOLVED] Dodge U11B9 Code: Resolve Radio Frequency Hub Communication Loss

The OBD code U11B9 for Dodge indicates an issue with the Radio Frequency (RF) Hub.

Symptoms include the Engine Light being ON.

This code is typically caused by a faulty RF Hub, open or shorted RF Hub harness, or poor electrical connection in the RF Hub circuit.

It’s important to visually inspect the wiring harness and connectors 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)

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Symptoms of the Dodge u11b9 OBD Code

The Dodge U11B9 fault code typically triggers when there is a communication issue with the steering column control module.

Symptoms: Service Engine Soon Warning Light may illuminate.
Possible loss of communication with the fuel pump control module.
Difficulty starting the vehicle.
Engine may stall unexpectedly.
Rough idling or poor engine performance.

Causes of the Dodge u11b9 OBD Code

Possible triggers for Dodge fault code U11B9 include faulty steering angle sensor or wiring issues.

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U11B9 can be caused by a faulty Radio Frequency (RF) Hub.
A Radio Frequency Hub harness that is open or shorted.
A Radio Frequency Hub circuit with a poor electrical connection.

Fixing Dodge Error Code u11b9 Step By Step

To resolve Dodge fault code U11B9, inspect and repair the steering column control module.

To fix the Dodge OBDII code U11B9, start by reviewing the possible causes mentioned above.
Visually examine the wiring harness and connectors related to the U11B9 code.
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, consider performing a module reset or software update to address the U11B9 code.
If the problem persists, it may be necessary to replace the module associated with the code.

Cost Of Fixing Dodge u11b9 Fault Code

Diagnosing and repairing Dodge fault code U11B9 may involve replacing the steering angle sensor.

The cost to diagnose and fix Dodge OBD code U11B9 depends on the estimated 1. 0hour repair time.

Labor rates range from $75 to $150 per hour, so the total cost could be between $75 and $150. Factors like shop rates and complexity can affect the final cost.

Details of the Dodge u11b9 OBD Code

Dodge U11B9 code relates to a fault in the steering angle sensor.

Dodge OBD code U11B9 means Lost Communication With Active Grille Air Shutter ‘A’ Control Module.

This code is triggered when the Engine Control Module (ECM) detects a loss of communication with the Active Grille Air Shutter ‘A’ Control Module.

The Active Grille Air Shutter system is responsible for controlling the airflow through the grille to improve aerodynamics and engine cooling.

When communication is lost between the modules, it can affect the proper operation of the system.

Mechanic’s Tech Notes

This section provides detailed information on the Dodge U11B9 fault code and its diagnosis.

To diagnose and fix OBDII code U11B9 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) 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

1. What does OBD code U11B9 mean in a Dodge vehicle?

OBD code U11B9 in a Dodge indicates an issue with the Radio Frequency (RF) Hub. Check wiring harness, connectors, and components for damage or corrosion.

2. How can I diagnose the source of OBD code U11B9 in my Dodge?

Diagnose OBD code U11B9 in Dodge for Engine Light ON. Check RF Hub for faults. Inspect harness, connections, and components for damage or corrosion.

3. What are the common symptoms associated with OBD code U11B9 in a Dodge vehicle?

Common symptoms of OBD code U11B9 in a Dodge vehicle include Engine Light ON. Causes may be a faulty RF Hub or related wiring issues. Fix: Inspect and repair wiring connections.

Wrap Up

If your Dodge is displaying OBD code u11b9, you may experience issues with the Electronic Shift Lever Module (ESLM) position sensor.

This could be caused by a faulty sensor, wiring problems, or poor connections within the system.

To address Dodge OBD code u11b9, start by inspecting the ESLM sensor and its wiring harness for any signs of damage or corrosion.

Test the sensor’s functionality and connections, and replace any components that are found to be faulty.

Ensure all electrical connections are secure to resolve the issue effectively.