U1191 Dodge 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 Dodge 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 Dodge Description
What are the Possible Causes of the DTC U1191 Dodge?
- 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 Dodge?
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 Dodge 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 Dodge Code
1. What does the OBDII code U1191 mean on a Dodge vehicle?
U1191 indicates a "Lost Communication With Upper Switch Bank," meaning the vehicle's computer cannot communicate with the Upper Switch Bank Module.
2. What are the common symptoms of the U1191 code on a Dodge?
Symptoms may include malfunctioning interior controls (like the sunroof, rear window switches, or climate controls), warning lights on the dashboard, or intermittent functionality of the affected module.
3. What causes the U1191 code to appear on a Dodge vehicle?
The code can be triggered by issues such as a faulty Upper Switch Bank Module, damaged wiring or connectors, a blown fuse, or a communication error in the CAN (Controller Area Network) bus system.
4. Can a weak battery cause the U1191 code on a Dodge?
Yes, a weak or failing battery can sometimes cause communication errors, including the U1191 code, as it may not provide stable voltage to the electronics.
5. How do you diagnose the U1191 code on a Dodge?
Start by scanning the vehicle with an OBDII tool, inspecting the wiring and connectors for damage or corrosion, checking for blown fuses, and testing the voltage supply to the Upper Switch Bank Module.
6. Can the U1191 code lead to other problems if left unresolved?
Yes, ignoring the code may lead to further electrical issues, loss of functionality in related systems, and potential damage to other modules on the CAN bus network.
7. What are the repair options for resolving the U1191 code on a Dodge?
Repairs may include replacing or repairing damaged wiring, cleaning or reconnecting loose connectors, replacing a faulty Upper Switch Bank Module, or updating the vehicle’s software.
8. Is it safe to drive with the U1191 code active on a Dodge?
While the vehicle may still be drivable, certain interior functions may not work properly, and ignoring the issue could lead to additional communication errors or system malfunctions.
9. Can the U1191 code be cleared without repairs?
Clearing the code without addressing the root cause is not recommended, as the issue is likely to return and potentially worsen over time.
10. How much does it cost to fix the U1191 code on a Dodge?
Repair costs can vary widely depending on the cause, ranging from a simple wiring fix ($50–$100) to replacing the Upper Switch Bank Module ($200–$500 or more, including labor).
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