B2940 Code: Meaning, Causes, and Symptoms | OBD2 Codes
B2940 – Power Liftgate Chime Output Circuit Short To Ground
B2940 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
B2940 Possible Causes
Faulty Chime,Chime harness is open or shorted,Chime circuit poor electrical connection,Faulty Liftgate/Trunk Module (LTM)
The Power Liftgate Chime is controlled by the Liftgate/Trunk Module (LTM). To activate the chime, the LTM supplies a high frequency voltage and ground. If the diagnostic feedback voltage is less than 0.9VDC for PWM duty greater than 80%, the LTM sets this Diagnostic Trouble Code (DTC).