U0141: Lost Communication With Body Control Module A
What Does U0141 Mean?
U0141 is a diagnostic trouble code indicating: Lost Communication With Body Control Module A. This code relates to the network communication system. It has been reported in NHTSA complaints across 1 different vehicle models.
Symptoms of U0141
- ⚠️ Vehicle won't start
- ⚠️ Vehicle enters limp/reduced power mode
Common Causes
- 🔍 Stuck or failed EGR valve
- 🔍 Sensor or control module malfunction
U0141 Reports by Year
Real Owner Reports
From NHTSA complaint database — actual owner descriptions.
"SEPTEMBER OF 2014 LAST YEAR I NOTICED THE AIRBAG MALFUNCTION LIGHT COME ON. I CALLED MY LOCAL JEEP CHRYSLER DEALER AND LEFT A FEW MESSAGES ABOUT RECALLS AND IF THIS MEANT A PROBLEM WITH MY AIRBAGS. NO ONE EVER CALLED ME BACK AFTER 2 WEEKS OF WAITING THE AIRBAG MALFUNCTION LIGHT WENT OFF AND IT WOULD"
— Jeep Wrangler owner, 09/10/2014
"THE TOTALLY INTEGRATED POWER MODULE (TIPM) IS FAULTY AS IT IS IN MANY WRANGLERS OF THIS YEAR. ON A REGULAR BASIS, THE HORN WILL ENGAGE CONTINUOUSLY, THE WIPERS TURN ONE, THE SPRAY NOZZLE SPRAYS FLUID, THE RADIO OCCASIONALLY WILL TURN OFF, THE HEADLIGHTS TURN OFF (DRIVING HAZARD AT NIGHT), AND THE D"
— Jeep Wrangler owner, 10/17/2013
"Anti-Lock Brake System stopped working rendering the car inoperable. The first incident: about 5 years ago the ABS engaged the brakes while driving almost causing a collision. This incident occurred in Guaynabo, PR. After this incident the ABS Module stopped working but the car was still operable. A"
— Jeep Wrangler owner, 02/22/2026
Source: NHTSA Complaints Database
Most Reported Vehicles for U0141
Based on NHTSA owner complaint data.
| # | Vehicle | Reports |
|---|---|---|
| 1 | JEEP WRANGLER |
U0141 Reports by Vehicle
Detailed NHTSA complaint analysis for each vehicle model.
Frequently Asked Questions
What causes communication codes?
Can a bad battery cause network codes?
What To Do Next
Possible Fixes
- 🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
- 🔧 Test the relevant sensor(s) with a multimeter before replacing
- 🔧 Check battery voltage and ground connections; inspect CAN bus wiring
- 🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.