u0110 lost communication with drive motor control module a
OBD-II Code U0110: This code indicates that the vehicle’s communication network has lost communication with the Drive Motor Control Module A. The module is responsible for controlling the electric drive motor, and a loss of communication can affect vehicle performance.
Severity: Moderate
Common Causes
– Common causes:
– Faulty drive motor control module
– Wiring issues such as open circuits or shorts
– Poor electrical connections
– Software glitches in the control module
Common Misdiagnosis
Common Misdiagnosis: Replacing the drive motor control module without checking for wiring issues or connector problems.
Common Diagnostic Steps
- Check for any other related trouble codes that may indicate a broader issue.
- Inspect the wiring and connectors between the drive motor control module and the vehicle’s data bus for damage or corrosion.
- Verify that the drive motor control module is receiving power and ground signals.
- Use a scan tool to check for communication on the CAN bus network.
- If possible, perform a continuity test on the CAN bus lines connected to the drive motor control module.
- Consult the vehicle’s service manual for specific diagnostic procedures related to this code.
- If no faults are found in wiring or connections, consider testing or replacing the drive motor control module itself.