U1159 Jeep Code - Lost Communication With Automatic Sway Bar System Module
Quick Answer
The Diagnostic Trouble Code (DTC) sets if the Occupant Restraint Controller (ORC) BUS messages not received from the Automatic Sway Bar System Module (ASBS) or Final Drive Control Module (FDCM) for approximately two to five seconds. Common causes include Faulty Automatic Sway Bar System Module (ASBS) or Final Drive Control Module (FDCM), ASBS or FDCM harness is open or shorted, ASBS or FDCM 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
- U1159 Jeep indicates Lost Communication With Automatic Sway Bar System Module.
- Common causes
- Common causes include Faulty Automatic Sway Bar System Module (ASBS) or Final Drive Control Module (FDCM), ASBS or FDCM harness is open or shorted, ASBS or FDCM 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 U1159 Jeep Description
What are the Possible Causes of the DTC U1159 Jeep?
- Faulty Automatic Sway Bar System Module (ASBS) or Final Drive Control Module (FDCM)
- ASBS or FDCM harness is open or shorted
- ASBS or FDCM circuit poor electrical connection
- Faulty Occupant Restraint Controller (ORC)
How to Fix the DTC U1159 Jeep?
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 U1159 Jeep 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.
Need more information about the U1159 Jeep code?
Need more information on how to fix the U1159 Jeep code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U1159 Jeep code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U1159 Jeep Code
1. What are the common symptoms of the U1159 Jeep OBDII code related to the Automatic Sway Bar System Module?
- Common symptoms include the illumination of the Check Engine Light, erratic behavior of the sway bar system, and potential loss of stability control features.
2. What are some possible causes of the U1159 code indicating lost communication with the Automatic Sway Bar System Module in a Jeep?
- Possible causes may include damaged wiring or connectors, a faulty sway bar control module, software issues, or a malfunctioning CAN bus communication system.
3. How can I diagnose the U1159 code in my Jeep related to the Automatic Sway Bar System Module?
- Diagnosing this code typically involves using an OBDII scanner to retrieve the specific fault code, conducting a visual inspection of wiring and connectors, and performing system tests using diagnostic equipment.
4. What are some recommended repair tips for resolving the U1159 code in a Jeep with a malfunctioning Automatic Sway Bar System Module?
- Repair tips may include checking and repairing any damaged wiring or connectors, replacing the faulty sway bar control module, updating software as needed, and ensuring proper communication within the CAN bus system.
5. Can the U1159 code related to the Automatic Sway Bar System Module be safely ignored in a Jeep?
- Ignoring this code can lead to potential safety risks, as it affects the functionality of the sway bar system and stability control features. It is advisable to diagnose and repair the issue promptly.
6. Is it possible to reset the U1159 code in a Jeep without addressing the underlying issue with the Automatic Sway Bar System Module?
- While clearing the code may temporarily turn off the Check Engine Light, the underlying issue will persist, potentially affecting the performance and safety features of the sway bar system. It is recommended to address the root cause of the code.
7. Are there any preventive measures Jeep owners can take to avoid encountering the U1159 code associated with the Automatic Sway Bar System Module?
- Regular maintenance checks, including inspecting wiring and connectors, keeping the sway bar system clean and free of debris, and following manufacturer guidelines for system operation, can help prevent issues leading to this code.
8. Can a DIY enthusiast with automotive knowledge effectively troubleshoot and repair the U1159 code in a Jeep on their own?
- Depending on the individual's skill level and access to diagnostic tools, a DIY enthusiast may be able to diagnose and repair the U1159 code related to the Automatic Sway Bar System Module. However, complex electrical issues may require professional assistance.
9. How long does it typically take to repair the U1159 code related to the Automatic Sway Bar System Module in a Jeep?
- The repair time can vary based on the specific cause of the code, availability of parts, and the complexity of the repair process. It is best to consult with a mechanic or dealership for an accurate estimate of repair time.
10. Is the U1159 code specific to Jeep vehicles, or can it occur in other automotive brands with similar systems?
- While the U1159 code is commonly associated with Jeep vehicles and their Automatic Sway Bar System Module, similar communication issues with sway bar control modules can occur in other automotive brands equipped with similar systems, leading to comparable OBDII codes.
Discuss the causes and fixes for U1159 Jeep OBDII Code
Code U1159 Jeep comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
