Fault Code U0111
Code meaning, symptoms, possible causes, part number, and estimated cost.
U0111
Lost Communication With Battery Energy Control Module 'A'
Code U0111 indicates a loss of communication between the vehicle's control units and Battery Energy Control Module 'A'. This fault means that other modules on the vehicle's CAN Bus network are not receiving data from the battery control module, which is critical for managing the hybrid/electric powertrain system. Lack of communication can lead to critical system failures.
Part Details
Part Name
Battery Energy Control Module
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪800 - ₪3000
Engine Location
Near the Hybrid/Electric Battery
Symptoms
- Check Engine Light on
- Vehicle won't start or starts with difficulty
- Significant reduction in vehicle performance
- Multiple warning lights on the dashboard
Possible Causes
- 1Faulty Battery Energy Control Module
- 2Wiring or connection issues in the CAN Bus network to the module
- 3Fault in the Gateway Module
- 4Weak or faulty 12V battery
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