B24A9 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B24A9 – Sunload Sensor Malfunction

 

B24A9 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B24A9 Possible Causes

 

Faulty Sunload Sensor,Sunload Sensor harness is open or shorted,Sunload Sensor circuit poor electrical connection,Faulty A/C Auto Amplifier

 

B24A9 Description

 

The A/C Auto Amplifier sets the OBDII code when it detects the calorie at Sunload Sensor is too high or too low.