U1807
Battery Charger Control Module High Voltage Energy Management CAN Bus Off
U1807 is an OBD-II diagnostic trouble code meaning: Battery Charger Control Module High Voltage Energy Management CAN Bus Off. Common causes: battery charging control module malfunction, open or short circuit in the can bus. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Battery charging problems
- Reduced performance of the hybrid system
- Errors in other CAN bus-related systems
- The car may go into emergency mode
Causes
- Battery charging control module malfunction
- Open or short circuit in the CAN bus
- Module power problems
- Corrosion or poor contact in connectors
- Software error in the module
How to Fix
- Check the power and ground of the control module
- Check the integrity of the CAN bus and connections
- Scan all modules for other CAN bus errors
- Update module software
- Replace the charging control module if necessary
Related codes
FAQ
What does the U1807 code mean?
U1807 is an OBD-II diagnostic trouble code that indicates: Battery Charger Control Module High Voltage Energy Management CAN Bus Off
What causes a U1807 error code?
The most common causes of U1807 include: Battery charging control module malfunction; Open or short circuit in the CAN bus; Module power problems; Corrosion or poor contact in connectors.
How do I fix a U1807 diagnostic trouble code?
To fix U1807: Check the power and ground of the control module. Check the integrity of the CAN bus and connections. Scan all modules for other CAN bus errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1807?
Yes, but get it checked soon
How much does it cost to fix U1807?
The estimated repair cost for U1807 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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