U1887
Energy Storage Control Module Lost Communication With Starter/Generator Control Module
U1887 is an OBD-II diagnostic trouble code meaning: Energy Storage Control Module Lost Communication With Starter/Generator Control Module. Common causes: open or short circuit in the can bus, problems with module power supply. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Reduced hybrid system efficiency
- Problems starting the engine
- The car goes into emergency mode
- Loss of regenerative braking function
Causes
- Open or short circuit in the CAN bus
- Problems with module power supply
- Energy storage control module malfunction
- Starter/Generator Module Malfunction
- Corroded or damaged connectors
How to Fix
- Check the integrity of the CAN bus and connections between modules
- Check power and grounding of both modules
- Scan for other related trouble codes
- Check and replace faulty modules if necessary
- Repair only from an authorized dealer
Related codes
FAQ
What does the U1887 code mean?
U1887 is an OBD-II diagnostic trouble code that indicates: Energy Storage Control Module Lost Communication With Starter/Generator Control Module
What causes a U1887 error code?
The most common causes of U1887 include: Open or short circuit in the CAN bus; Problems with module power supply; Energy storage control module malfunction; Starter/Generator Module Malfunction.
How do I fix a U1887 diagnostic trouble code?
To fix U1887: Check the integrity of the CAN bus and connections between modules. Check power and grounding of both modules. Scan for other related trouble codes. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1887?
Do not drive — repair immediately
How much does it cost to fix U1887?
The estimated repair cost for U1887 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat