[SOLVED] Dodge U1408 Code: Fast Fix For Brake Signal Error

The OBD code U1408 for Dodge indicates a communication error between the Antilock Brake System (ABS) Module and other control modules.

Symptoms include the Engine Light being ON.

This issue is commonly caused by a faulty ABS Module, open/shorted harness, or poor electrical connection.

It is important to visually inspect wiring and connectors for damage or corrosion to resolve this issue.

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 u1408 OBD Code

The Dodge U1408 fault code indicates a communication error between the central gateway module and the instrument cluster.

Symptoms: Service Electronic Throttle Control warning light may illuminate.
Loss of communication with the fuel pump control module.
Intermittent starting issues.
Engine stalling while driving.
Difficulty shifting gears.

Causes of the Dodge u1408 OBD Code

Possible triggers for Dodge U1408 include communication issues between the central gateway module and the instrument cluster.

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U1408 can be caused by a faulty Antilock Brake System (ABS) Module.
An open or shorted Antilock Brake System (ABS) Module harness.
A poor electrical connection in the Antilock Brake System (ABS) Module circuit.
Low voltage to the Antilock Brake System (ABS) Module.
Corroded grounds affecting the Antilock Brake System (ABS) Module.
Signal loss in communication between the Antilock Brake System (ABS) Module and other modules.

Fixing Dodge Error Code u1408 Step By Step

Repair the communication issue between the central gateway module and the instrument cluster.

To fix the Dodge OBDII code U1408, 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 no issues are found with the wiring and connectors, consider resetting the ABS module using a scan tool.
Perform a software update on the ABS module if necessary.
If the problem persists, replace the ABS module with a new one following manufacturer’s guidelines.

Cost Of Fixing Dodge u1408 Fault Code

Diagnosing and repairing Dodge code U1408 may involve troubleshooting the communication network for issues.

The cost to diagnose and fix Dodge OBD code U1408 typically ranges from $75 to $150, with an estimated repair time of 1. 0 hour.

Costs depend on labor rates, shop fees, and the complexity of the repair needed.

Details of the Dodge u1408 OBD Code

Dodge U1408 pertains to implausible vehicle configuration data received by the BCM.

Dodge OBD code U1408 means Implausible Fuel Level Signal Received.

This code is triggered by the Body Control Module (BCM) when it detects a discrepancy or implausible signal related to the fuel level sensor.

The BCM monitors the fuel level sensor signal to determine the amount of fuel in the tank.

If an implausible signal is received, the U1408 code is set.

This code is related to the fuel system and can indicate issues with the fuel level sensor, wiring, or connections.

Mechanic’s Tech Notes

For Dodge code U1408, check for communication issues between the central gateway module and the instrument cluster.

To diagnose and fix OBDII code U1408 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

1. What are the common symptoms associated with OBD code U1408 in a Dodge vehicle?

Common symptoms of OBD code U1408 in a Dodge vehicle include Engine Light ON. Causes may be a faulty ABS module or related wiring issues. Fix: Inspect and repair ABS module and wiring.

2. What are the possible causes of OBD code U1408 in a Dodge vehicle?

Possible causes of OBD code U1408 in a Dodge vehicle include a faulty ABS module, open/shorted ABS module harness, or poor electrical connection. Inspect and repair as needed.

3. How can I diagnose and fix OBD code U1408 in my Dodge vehicle?

Diagnose U1408 in Dodge: Check ABS module for faults. Inspect harness and connectors for damage or poor connection. Repair as needed.

Wrap Up

If your Dodge is displaying OBD code u1408, you may experience issues with the Implausible Left Front Wheel Distance Signal.

This could be caused by a faulty wheel speed sensor, damaged wiring harness, or poor connections at the sensor or ABS module.

To address Dodge OBD code u1408, start by inspecting the wiring harness for any visible damage or corrosion.

Test the left front wheel speed sensor for proper operation and check the connectors for a secure fit.

Replace the sensor if necessary and ensure all connections are clean and tight to resolve the issue.