DTC B21FB Dodge
Passenger Compartment Temperature Sensor, Too Low
Passenger Compartment Temperature Sensor, Too Low
Description
Diagnostic trouble code (DTC) ECC-123 is stored if the control module detects that the signal from the passenger compartment temperature sensor is below 0.3 V.
Cause and Solution
Short-circuit to ground in signal cable.Defective temperature sensor.
Video Guide
Diagnostic Info
- DTC Code: B21FB
- Brand: Dodge