U1408 Chrysler Code - Implausible Brake Signal Received
Quick Answer
The Diagnostic Trouble Code (DTC) sets when the Body Control Module (BCM) receives an invalid signal from the Anti-lock Brake System (ABS) Module. Common causes include Faulty Anti-lock Brake System (ABS) Module, Anti-lock Brake System (ABS) Module harness is open or shorted, Anti-lock Brake System (ABS) Module circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- U1408 Chrysler indicates Implausible Brake Signal Received.
- Common causes
- Common causes include Faulty Anti-lock Brake System (ABS) Module, Anti-lock Brake System (ABS) Module harness is open or shorted, Anti-lock Brake System (ABS) Module circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code U1408 Chrysler Description
What are the Possible Causes of the DTC U1408 Chrysler?
- Faulty Anti-lock Brake System (ABS) Module
- Anti-lock Brake System (ABS) Module harness is open or shorted
- Anti-lock Brake System (ABS) Module circuit poor electrical connection
How to Fix the DTC U1408 Chrysler?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the U1408 Chrysler code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about U1408 Chrysler Code
1. What are the common symptoms of OBDII code U1408 in a Chrysler vehicle?
- The common symptoms include the ABS light illuminating on the dashboard, loss of communication with the brake system, and potential issues with the vehicle's traction control system.
2. What does the OBDII code U1408 "Implausible Brake Signal Received" mean in a Chrysler?
- This code indicates that the vehicle's onboard computer has detected a signal related to the brake system that is inconsistent or implausible, which may point to a communication error or malfunction within the brake system.
3. What are the possible causes of the U1408 code in a Chrysler vehicle?
- The possible causes include a faulty ABS module, damaged wiring or connectors in the brake system, a malfunctioning brake pedal position sensor, or issues with the CAN (Controller Area Network) communication system.
4. How can I diagnose the U1408 code in my Chrysler?
- Diagnosing the U1408 code typically involves using an OBDII scanner to retrieve the code and then conducting a thorough inspection of the brake system components, wiring, and connectors to identify any issues. Testing the brake pedal position sensor and ABS module may also be necessary.
5. Can I still drive my Chrysler with the U1408 code present?
- It is not recommended to drive the vehicle with the U1408 code present, as it may lead to potential safety hazards due to malfunctioning brake or ABS systems. It is advisable to address the issue promptly to ensure safe operation of the vehicle.
6. How can I repair the U1408 code in my Chrysler?
- Repairing the U1408 code may involve replacing a faulty ABS module, repairing damaged wiring or connectors, replacing the brake pedal position sensor if necessary, and ensuring proper communication within the brake system and CAN network.
7. Is it possible to reset the U1408 code in a Chrysler without fixing the underlying issue?
- While it is possible to reset the code using an OBDII scanner, it is not recommended to do so without addressing the root cause of the problem. Resetting the code without proper repair may lead to the issue recurring and potentially causing more significant problems.
8. How much does it typically cost to repair the U1408 code in a Chrysler?
- The cost of repairing the U1408 code can vary depending on the specific cause of the issue, the labor rates of the repair shop, and the cost of any replacement parts needed. It is advisable to consult with a qualified mechanic for an accurate estimate.
9. Can a DIY enthusiast fix the U1408 code in a Chrysler?
- While some DIY enthusiasts may have the skills to diagnose and repair the U1408 code, addressing issues related to the brake system and ABS module can be complex and may require specialized tools and knowledge. It is recommended to seek professional assistance if unsure.
10. How often does the U1408 code occur in Chrysler vehicles?
- The occurrence of the U1408 code can vary depending on the vehicle's age, mileage, and maintenance history. It is considered a relatively uncommon OBDII code but can still occur due to various factors affecting the brake system and communication network in the vehicle.
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