U1897
Starter/Generator Control Module Lost Communication With Energy Storage Control Module
U1897 is an OBD-II diagnostic trouble code meaning: Starter/Generator Control Module Lost Communication With Energy Storage Control Module. Common causes: starter/generator control module malfunction, energy storage control module malfunction. Estimated repair cost: $22–222.
Symptoms
- Malfunction indicator light (MIL) is on
- The engine may not start
- Battery charging problems
- Abnormal starter/generator behavior
- Error messages on the dashboard
Causes
- Starter/Generator Control Module Malfunction
- Energy storage control module malfunction
- Problems with wiring or connectors in the CAN network
- Open or short circuit in the communication circuit
- Low battery voltage
How to Fix
- Check wiring and connectors for damage or corrosion
- Check battery voltage and charging status
- Check the integrity of the CAN network using a diagnostic scanner
- Check starter/generator and energy storage control modules for faults
- Replace faulty modules or wiring
Related codes
FAQ
What does the U1897 code mean?
U1897 is an OBD-II diagnostic trouble code that indicates: Starter/Generator Control Module Lost Communication With Energy Storage Control Module
What causes a U1897 error code?
The most common causes of U1897 include: Starter/Generator Control Module Malfunction; Energy storage control module malfunction; Problems with wiring or connectors in the CAN network; Open or short circuit in the communication circuit.
How do I fix a U1897 diagnostic trouble code?
To fix U1897: Check wiring and connectors for damage or corrosion. Check battery voltage and charging status. Check the integrity of the CAN network using a diagnostic scanner. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1897?
Yes, but get it checked soon
How much does it cost to fix U1897?
The estimated repair cost for U1897 is $22–222. Actual cost depends on your vehicle, location, and labor rates.
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