U1159 Dodge Code - Lost Communication With Automatic Sway Bar System Module
Quick Answer
The U1159 diagnostic trouble code (DTC) for Dodge vehicles indicates that there is a communication error between the vehicle's onboard computer system and the Automatic Sway Bar System Module. Common causes include Loose or corroded wiring connections between the vehicle's computer system and the Automatic Sway Bar System Module, A malfunctioning Automatic Sway Bar System Module, Issues with the vehicle's onboard computer system or software. 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
- U1159 Dodge indicates Lost Communication With Automatic Sway Bar System Module.
- Common causes
- Common causes include Loose or corroded wiring connections between the vehicle's computer system and the Automatic Sway Bar System Module, A malfunctioning Automatic Sway Bar System Module, Issues with the vehicle's onboard computer system or software.
- 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.
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Code U1159 Dodge Description
The U1159 diagnostic trouble code (DTC) for Dodge vehicles indicates that there is a communication error between the vehicle's onboard computer system and the Automatic Sway Bar System Module. The Automatic Sway Bar System is a component that helps to stabilize the vehicle during cornering and off-road driving by adjusting the stiffness of the sway bars. When communication is lost with this module, it can lead to issues with the vehicle's handling and stability.
Common Causes of U1159 Dodge
- Loose or corroded wiring connections between the vehicle's computer system and the Automatic Sway Bar System Module
- A malfunctioning Automatic Sway Bar System Module
- Issues with the vehicle's onboard computer system or software
- Physical damage to the sway bar system components
- Water or moisture intrusion into the module causing electrical issues
Symptoms of U1159 Dodge
- Illuminated dashboard warning light indicating a problem with the sway bar system
- Unusual noises coming from the sway bar system while driving
- Difficulty steering or controlling the vehicle, especially during turns
- Reduced stability and handling, particularly on uneven terrain
- In some cases, the vehicle may enter a "limp mode" to prevent further damage
How to Fix U1159 Dodge
- Begin by conducting a thorough visual inspection of the wiring connections between the computer system and the Automatic Sway Bar System Module. Repair or replace any damaged or corroded wires.
- Use a diagnostic scan tool to communicate with the module and identify any specific error codes or issues that may be present.
- If the module is found to be faulty, it will need to be replaced with a new or refurbished unit.
- Clear the DTC from the vehicle's computer system using the diagnostic scan tool to reset the system and ensure proper communication.
- Test drive the vehicle to confirm that the issue has been resolved and that the sway bar system is functioning correctly.
Cost to Fix U1159 Dodge
The cost of repairing a U1159 DTC related to the Lost Communication With Automatic Sway Bar System Module can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair cost for this type of issue can range from $200 to $500, including parts and labor. However, it is important to note that the actual cost may be higher or lower depending on the extent of the problem and the rates charged by the auto repair shop. It is recommended to obtain quotes from multiple shops to compare prices and ensure a fair estimate. Labor rates at auto repair shops typically range from $80 to $150 per hour, but can vary based on location and other factors.
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Frequently Asked Questions about U1159 Dodge Code
What does the OBDII code U1159 mean for a Dodge vehicle?
U1159 indicates a lost communication with the automatic sway bar system module, which may affect vehicle stability and handling.
What are common symptoms of the U1159 code?
Symptoms may include warning lights on the dashboard, a rough ride, reduced handling performance, or issues with the sway bar system.
What could cause the U1159 code to trigger?
Common causes include a faulty sway bar module, damaged wiring or connectors, a malfunctioning body control module, or issues with the vehicle's electrical system.
How can I diagnose the U1159 code?
Start by checking for any other related trouble codes, inspect the wiring and connectors for damage, and test the sway bar module for proper functionality.
Can I drive my Dodge if the U1159 code is present?
While it may be possible to drive the vehicle, handling and stability may be compromised, making it safer to address the issue promptly.
What repairs might be needed to fix the U1159 code?
Repairs may include replacing the sway bar module, repairing wiring or connectors, or reprogramming or replacing the body control module.
Is it necessary to clear the code after repairs?
Yes, after making repairs, it's important to clear the code using an OBDII scanner and perform a test drive to ensure the issue is resolved.
Can a dead battery cause the U1159 code?
Yes, a dead or weak battery can cause communication issues with modules, potentially triggering the U1159 code.
How much does it typically cost to repair the U1159 code?
Repair costs can vary widely depending on the cause, ranging from minor wiring repairs to module replacement, typically between $100 to $800.
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