B10EC Code: Meaning, Causes, and Symptoms | OBD2 Codes

B10EC – Blower Motor Control Circuit Over Current


B10EC Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B10EC Possible Causes


Faulty Blower Motor Power Module,Blower Motor Power Module harness is open or shorted,Blower Motor Power Module circuit poor electrical connection,Faulty A/C Heater Control


B10EC Description


The Powertrain Control Module (PCM) factors the Blend Door position and Blower Motor speed information into the coolant temperature modeling. This information is received as a raw voltage signal from the HVAC Module over the Can Bus. The PCM detects that the Blower Motor Control circuit is above a maximum calibrated threshold.