OBD-II code · generic
U01A1
Lost Communication With Hybrid/EV Battery Interface Control Module B
- System
- U — In-vehicle network
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does U01A1 mean?
U01A1 is defined as “Lost Communication With Hybrid/EV Battery Interface Control Module B”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- U01A0Lost Communication With Hybrid/EV Battery Interface Control Module A
- U01A2Lost Communication With Hybrid/EV Battery Interface Control Module C
- U019FLost Communication With Engine Coolant Pump Control Module
- U01A3Lost Communication With Hybrid/EV Battery Interface Control Module D
- U019ELost Communication With Transmission Range Control Module
- U01A4Lost Communication With Hybrid/EV Battery Interface Control Module E
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.