U1191 Jeep Code - Lost Communication With Upper Switch Bank
Quick Answer
The Diagnostic Trouble Code (DTC) sets when the Cluster does not receive information from the Upper Switch Bank. Common causes include Faulty Upper Switch Bank, Upper Switch Bank harness is open or shorted, Upper Switch Bank 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
- U1191 Jeep indicates Lost Communication With Upper Switch Bank.
- Common causes
- Common causes include Faulty Upper Switch Bank, Upper Switch Bank harness is open or shorted, Upper Switch Bank 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 U1191 Jeep Description
What are the Possible Causes of the DTC U1191 Jeep?
- Faulty Upper Switch Bank
- Upper Switch Bank harness is open or shorted
- Upper Switch Bank circuit poor electrical connection
- Faulty Cluster
How to Fix the DTC U1191 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 U1191 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.
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Frequently Asked Questions about U1191 Jeep Code
1. What are the common symptoms of OBDII code U1191 Jeep "Lost Communication With Upper Switch Bank"?
- Common symptoms include issues with the vehicle's upper switch bank controls, such as unresponsive buttons or erratic behavior.
2. What are the possible causes of OBDII code U1191 in a Jeep?
- Possible causes of code U1191 include wiring issues, a faulty upper switch bank module, a communication network problem, or a damaged control module.
3. How can I diagnose the cause of OBDII code U1191 in my Jeep?
- Diagnose the issue by checking the wiring connections to the upper switch bank, inspecting the switch bank module for damage, testing the communication network, and scanning for other related trouble codes.
4. How can I repair OBDII code U1191 in my Jeep?
- Repair options may include repairing or replacing damaged wiring, replacing the faulty upper switch bank module, addressing communication network issues, or reprogramming control modules as needed.
5. Can a DIY enthusiast fix OBDII code U1191 in a Jeep?
- Depending on the root cause, some DIY enthusiasts may be able to address code U1191 by following diagnostic procedures, checking and repairing wiring, and replacing components if necessary.
6. Is it safe to continue driving with OBDII code U1191 present in a Jeep?
- It is generally not recommended to drive with unresolved OBDII trouble codes, including code U1191, as it may lead to further issues with the vehicle's control systems.
7. How much does it typically cost to repair OBDII code U1191 in a Jeep?
- The cost of repair for code U1191 can vary widely depending on the cause of the issue, the parts needed for replacement, and whether professional labor is required.
8. Can a low battery voltage trigger OBDII code U1191 in a Jeep?
- Yes, low battery voltage or electrical system issues can potentially trigger communication errors, including code U1191, in the vehicle's control modules.
9. Will resetting the OBDII codes clear U1191 in a Jeep?
- Resetting the OBDII codes may temporarily clear code U1191, but if the underlying issue is not addressed, the code is likely to return after driving the vehicle.
10. Is OBDII code U1191 specific to Jeep vehicles only?
- While code U1191 may be specific to Jeep vehicles, similar communication error codes related to upper switch banks can occur in other vehicle makes and models as well.
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