OBD-II Diagnostic Trouble Code
B3128
LF Door Only, Unlock Circuit High (BCM)
B
Body
comfort / safety
comfort / safety
3
Mfr
manufacturer code
manufacturer code
1
Body subsystem
28
LF Door Only, Unlock Circuit High (BCM)
Severity · general guide
Varies
Body/safety — depends on system
Code type
Generic
System
Body
Standard
ISO/SAE Controlled
Fault type
Circuit High