U1109 on 2007-2017 Jeep Wrangler (Sport, Sahara, Rubicon, Unlimited) — Lost Communication With LIN Steering Wheel Controls
1 vehicles · 1 makes · $200-$600 repair
Most Reported On
U1109 is an OBD-II diagnostic trouble code meaning “Lost Communication With LIN Steering Wheel Controls.” A Stellantis/FCA network code (Chrysler, Dodge, Jeep, RAM). The instrument cluster stopped receiving messages from the steering wheel control switches over the LIN bus — the low-speed single-wire network linking simple switch modules to the cluster. The vehicle drives normally, but the steering wheel buttons (radio volume, cruise control, phone, menu) stop responding, and on some models the horn is affected as well. It is an electrical/communication fault, not a mechanical one. This code is most commonly reported on 2007-2017 Jeep Wrangler (Sport, Sahara, Rubicon, Unlimited), with repair costs ranging from $200 to $600.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
U1109 does not use the standard P/B/C/U prefix. It may be a manufacturer-specific code, so verify that a scanner supports your exact year, model and module before buying.
FAQ
What does U1109 mean?
U1109 stands for "Lost Communication With LIN Steering Wheel Controls." A Stellantis/FCA network code (Chrysler, Dodge, Jeep, RAM). The instrument cluster stopped receiving messages from the steering wheel control switches over the LIN bus — the low-speed single-wire network linking simple switch modules to the cluster. The vehicle drives normally, but the steering wheel buttons (radio volume, cruise control, phone, menu) stop responding, and on some models the horn is affected as well. It is an electrical/communication fault, not a mechanical one.
What are the most common causes of U1109?
The most common causes of U1109 are: Failed steering wheel switch module (left or right switch pod), Damaged clockspring in the steering column — the ribbon that carries these circuits through the rotating wheel, Open, shorted, or chafed LIN bus wiring between the steering wheel and the cluster, Poor or corroded connector contact at the switch pod or clockspring, Failed instrument cluster (the LIN master for this circuit), Low system voltage or a weak battery causing intermittent LIN dropouts. The specific cause varies by vehicle.
How much does it cost to fix U1109?
Repair costs for U1109 range from $200 to $600, depending on the vehicle and root cause.
Which vehicles are affected by U1109?
Au7o has documented U1109 across 1 vehicle models from 1 manufacturers: Jeep.
Sources (4)
- RecallNHTSA Safety Recall S40 / 16V-288 — Airbag Clockspring (2011-2016 RHD Wrangler)
- TSBClockspring Replacement (X68 Warranty Extension) — 2011-2016 Wrangler
- articleJeep Wrangler Clockspring / Airbag Problems Investigated — CarComplaints.com
- ForumClockspring - Warranty Letter: Extended for 15yrs — Jeep Wrangler Forum
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.