B10E9 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B10E9 – Blower Motor Control Circuit Low

 

B10E9 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B10E9 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

 

B10E9 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 below a minimum calibrated threshold.