U041A
Invalid Data Received From Battery Isolation/Voltage Stabilization Control Module
U041A is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Battery Isolation/Voltage Stabilization Control Module. Common causes: malfunction of the voltage stabilization module, damage to the wiring harness to the module. Estimated repair cost: $167โ556.
Symptoms
- Check Engine light comes on
- Reduced performance of the hybrid system
- Problems with charging a high-voltage battery
- Limitation of functionality of electronic systems
- Error message on the dashboard
Causes
- Malfunction of the voltage stabilization module
- Damage to the wiring harness to the module
- Poor contact in module connectors
- Problems with the module software
- Short circuit in the module power supply circuit
How to Fix
- Diagnostics of the voltage stabilization module
- Checking the integrity of the wiring harness
- Cleaning and checking connector contacts
- Module software update
- Replacing the module if necessary
- Repair only from an authorized dealer
Related codes
Error U041A by Vehicle Brand
FAQ
What does the U041A code mean?
U041A is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Battery Isolation/Voltage Stabilization Control Module
What causes a U041A error code?
The most common causes of U041A include: Malfunction of the voltage stabilization module; Damage to the wiring harness to the module; Poor contact in module connectors; Problems with the module software.
How do I fix a U041A diagnostic trouble code?
To fix U041A: Diagnostics of the voltage stabilization module. Checking the integrity of the wiring harness. Cleaning and checking connector contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U041A?
Limited driving only, diagnose soon
How much does it cost to fix U041A?
The estimated repair cost for U041A is $167โ556. Actual cost depends on your vehicle, location, and labor rates.
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