Part of the generic B1C3A overview — this page covers the Jeep meaning specifically.
OBD-II Diagnostic Trouble Code
B1C3A
1st Row Driver Retractor Tensioner Circuit Open
B
Body
comfort / safety
comfort / safety
1
Mfr
manufacturer code
manufacturer code
C
Body subsystem
3A
1st Row Driver Retractor Tensioner Circuit Open
Severity · general guide
Varies
Body/safety — depends on system
Code type
Jeep
System
Body
Model
Grand Cherokee
Years
2011