[SOLVED] Dodge U103C Code: Fast Fix For Dodge Keyless Ignition Communication

The OBD code Dodge U103C indicates a communication error between the Keyless Ignition Node (KIN) and the Radio Frequency Hub (RF Hub).

Symptoms include the Engine Light being ON.

This issue is commonly caused by a faulty KIN, open/shorted KIN harness, poor electrical connection in the KIN circuit, or a faulty RF Hub.

It is important to visually inspect wiring harnesses, connectors, and component pins for 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 u103c OBD Code

The Dodge U103C fault code typically triggers when there is a communication issue with the steering angle sensor.

Symptoms: Service Engine Soon Warning Light may illuminate.
Vehicle may experience intermittent or complete loss of communication with the gateway module.
Steering wheel controls may not function properly.
Cruise control may not work as expected.

Causes of the Dodge u103c OBD Code

Possible reasons for Dodge fault code U103C include communication issues within the vehicle’s network system.

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U103C can be caused by a faulty Keyless Ignition Node (KIN).
An open or shorted Keyless Ignition Node harness.
A poor electrical connection in the Keyless Ignition Node circuit.
Or a faulty Radio Frequency Hub (RF Hub).

Fixing Dodge Error Code u103c Step By Step

Resolve Dodge U103C by inspecting and repairing the communication network between modules.

To fix the Dodge OBDII code U103C, start by reviewing the possible causes mentioned above.
Visually examine the wiring harness and connectors related to the ABS 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, 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.
If the code persists, consider resetting the ABS module or performing a software update.

Cost Of Fixing Dodge u103c Fault Code

The repair for Dodge fault code U103C may involve diagnosing and fixing a communication issue.

The cost to diagnose and fix Dodge OBD code U103C typically ranges from $75 to $150, based on an estimated repair time of 1. 0 hour.

Factors like shop rates and complexity of the issue can influence the final cost.

Details of the Dodge u103c OBD Code

Dodge code U103C relates to a communication issue with the steering column control module.

Dodge OBD code U103C means that the fuel level sensor B circuit has a low voltage condition.

This code is triggered by the Powertrain Control Module (PCM) when it detects a voltage signal from the fuel level sensor that is lower than expected.

The fuel level sensor is part of the fuel pump module and is responsible for sending the fuel level information to the PCM.

This information is crucial for accurate fuel level readings on the dashboard and for proper fuel management in the vehicle.

Mechanic’s Tech Notes

For Dodge code U103C, check for communication issues with the steering angle sensor module.

To diagnose and fix OBDII code Dodge U103C, 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, and check connector pins for signs of being broken, bent, pushed out, or corroded.

This thorough examination can help identify and address the root cause of the U103C fault code.

FAQ

1. What does OBD code U103C mean in a Dodge vehicle?

OBD code U103C in a Dodge indicates an issue with the Keyless Ignition Node (KIN) system. Check for wiring harness faults and connector issues for repair.

2. How can I diagnose the source of OBD code U103C in my Dodge?

To diagnose OBD code U103C in a Dodge for Engine Light ON, check for a faulty Keyless Ignition Node (KIN), harness issues, or faulty RF Hub. Inspect wiring and connectors.

3. What are the common symptoms associated with OBD code U103C in a Dodge vehicle?

Common symptoms of OBD code U103C in a Dodge vehicle include Engine Light ON. Causes may be a faulty Keyless Ignition Node (KIN) or related wiring issues. Fix: Inspect and repair wiring connections.

Wrap Up

If your Dodge is displaying OBD code u103c, you may experience issues with the ABS system, such as erratic wheel speed readings due to faulty wheel speed sensors, damaged wiring harnesses, or poor connections at the ABS control module.

To address Dodge OBD code u103c, inspect the wheel speed sensors for damage or contamination, check the wiring harness for any visible issues, and ensure secure connections at the ABS control module.

Replace any faulty sensors or repair damaged wiring as needed to resolve the ABS system problem.