U0141 on Volvo: How to Diagnose & Fix
Lost Communication With Body Control Module "A"
1 Volvo model · 1 documented issue · 1 critical · $300-$1,800 repair
U0141 on Volvo by model: symptoms, diagnosis and fix
The Central Electronic Module controls many vehicle functions and is prone to failure due to water intrusion from clogged A/C drain or cabin air leaks. When the CEM fails, various electrical systems malfunction including windows, locks, lights, and instrument cluster.
Common Symptoms
- Multiple electrical malfunctions
- Windows not working
- Power locks inoperative
- Instrument cluster issues
- HVAC controls not working
- Intermittent no-start
How to Fix
Ensure cabin air filter drain and A/C evaporator drain are clear. If CEM fails: Rebuild existing unit ($300-500) or replace with remanufactured ($500-800). The CEM must be programmed to vehicle VIN. OEM new from Volvo: $1,200-1,800. Check for water damage before buying used XC90.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
- XeMODeX VO.1070.30657629.00.22 early P2 XC90 CEM program-transfer replacement service
transfer the vehicle-specific software from a confirmed failed early CEM to a tested replacement unit Fitment/availability: 2003-2004 Volvo XC90 CEM whose installed hardware is in the listed 8645716/8645719/8688434/8688436/8688513/306576…
- XeMODeX VO.1070.31282455.10.23 later P2 XC90 CEM program-transfer service
transfer programming from a diagnosed failed later CEM to a customer-supplied compatible unit Fitment/availability: 2005-2013 Volvo XC90 within the supplier's 2005-2014 application whose installed CEM hardware is in the listed 30682981/3…
As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.
Owner tips & cautions
- TipDIY repairs can save significantly - dealer charges $300-500 but DIY costs are typically 50-70% less
- WarningThis is a high-severity issue - ignoring it can lead to costly repairs or safety concerns. Address it promptly.
- TipConsider OEM parts for critical components like sensors and electrical parts - aftermarket can be unreliable
- TipGet a proper diagnosis before replacing parts - similar symptoms can have different causes
Sources for this issue (2)
U0141 code reference
General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.
Frequently asked questions
What does U0141 mean on a Volvo?
U0141 stands for "Lost Communication With Body Control Module "A"." Sets when a module loses data-bus communication with Body Control Module 'A' on vehicles using multiple/lettered BCMs, and no longer receives its expected messages. On Volvo it is documented across 1 model: XC90.
What are the most common causes of U0141?
The most common causes of U0141 are: Open or shorted bus wiring to BCM A, Corroded or loose connector / poor ground, Blown fuse / lost power feed, Low battery voltage, Failed body control module A. The specific cause varies by vehicle.
How much does it cost to fix U0141 on a Volvo?
Published repair estimates on Volvo range from $300 to $1,800 depending on the model and root cause. If an issue mentions a recall or campaign, check your VIN with the manufacturer or NHTSA and confirm eligibility and coverage with a dealer.
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Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.