U1885
Battery Energy Control Module Lost Communication With Hybrid/EV Powertrain Control Module
U1885 is an OBD-II diagnostic trouble code meaning: Battery Energy Control Module Lost Communication With Hybrid/EV Powertrain Control Module. Common causes: broken or damaged can bus wires, poor contact in module connectors. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- The car goes into emergency mode
- Reducing power or limiting speed
- Battery charging problems
- Inability to start the engine (in some cases)
Causes
- Broken or damaged CAN bus wires
- Poor contact in module connectors
- Battery management module malfunction
- Problems with module power supply
- Software error in one of the modules
How to Fix
- Check the integrity of the CAN bus between modules
- Inspect and clean module connectors
- Check power and ground of modules
- Scan all modules for additional errors
- If necessary, reflash or replace the faulty module
Related codes
FAQ
What does the U1885 code mean?
U1885 is an OBD-II diagnostic trouble code that indicates: Battery Energy Control Module Lost Communication With Hybrid/EV Powertrain Control Module
What causes a U1885 error code?
The most common causes of U1885 include: Broken or damaged CAN bus wires; Poor contact in module connectors; Battery management module malfunction; Problems with module power supply.
How do I fix a U1885 diagnostic trouble code?
To fix U1885: Check the integrity of the CAN bus between modules. Inspect and clean module connectors. Check power and ground of modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1885?
Yes, but get it checked soon
How much does it cost to fix U1885?
The estimated repair cost for U1885 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat