By the AutoDTCs Editorial Team·Researched against SAEJ2012 & factory service data — how we research this
OBD-II Diagnostic Trouble Code
B1138
Cabin Heater 3 Control Circuit Low
B
Body
comfort / safety
comfort / safety
1
Mfr
manufacturer code
manufacturer code
1
Body subsystem
38
Cabin Heater 3 Control Circuit Low
Severity · general guide
Varies
Body/safety — depends on system
Code type
Generic
System
Body