U1041
Lost Communications With Electronic Brake Control Module
U1041 is an OBD-II diagnostic trouble code meaning: Lost Communications With Electronic Brake Control Module. Common causes: open or short circuit in the can bus, ebcm power supply problems. Estimated repair cost: $56–278.
Symptoms
- The ABS/ESP indicator on the dashboard is on
- Disabling the stabilization system
- Anti-lock braking system and brake assist do not work
- Other related errors appear
- Possible problems with cruise control
Causes
- Open or short circuit in the CAN bus
- EBCM power supply problems
- Malfunction of the brake control module itself
- Corroded or damaged connectors
- Problems with the module software
How to Fix
- Check fuses related to EBCM
- Inspect the module connectors and wiring harness
- Check the module supply voltage
- Diagnose the integrity of the CAN bus
- If necessary, replace or reflash the EBCM module
Related codes
FAQ
What does the U1041 code mean?
U1041 is an OBD-II diagnostic trouble code that indicates: Lost Communications With Electronic Brake Control Module
What causes a U1041 error code?
The most common causes of U1041 include: Open or short circuit in the CAN bus; EBCM power supply problems; Malfunction of the brake control module itself; Corroded or damaged connectors.
How do I fix a U1041 diagnostic trouble code?
To fix U1041: Check fuses related to EBCM. Inspect the module connectors and wiring harness. Check the module supply voltage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1041?
Do not drive — repair immediately
How much does it cost to fix U1041?
The estimated repair cost for U1041 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat