U1205
IMA-CAN Malfunction Battery Condition Monitor Module-Motor Control Module
U1205 is an OBD-II diagnostic trouble code meaning: IMA-CAN Malfunction Battery Condition Monitor Module-Motor 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 hybrid system may not operate efficiently
- Increased fuel consumption
- The car may go into emergency mode
- Possible problems with charging the hybrid battery
Causes
- Broken or damaged CAN bus wires
- Poor contact in module connectors
- Battery monitoring module malfunction
- Problems with the engine control module
- Corrosion of contacts in the CAN network
How to Fix
- Check the integrity of the CAN bus wiring
- Inspect and clean the contacts in the connectors
- Check power supply and grounding of modules
- Scan all modules for additional errors
- If necessary, replace the faulty module
- Repair only from an authorized dealer
Related codes
FAQ
What does the U1205 code mean?
U1205 is an OBD-II diagnostic trouble code that indicates: IMA-CAN Malfunction Battery Condition Monitor Module-Motor Control Module
What causes a U1205 error code?
The most common causes of U1205 include: Broken or damaged CAN bus wires; Poor contact in module connectors; Battery monitoring module malfunction; Problems with the engine control module.
How do I fix a U1205 diagnostic trouble code?
To fix U1205: Check the integrity of the CAN bus wiring. Inspect and clean the contacts in the connectors. Check power supply and grounding of modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1205?
Yes, but get it checked soon
How much does it cost to fix U1205?
The estimated repair cost for U1205 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat