• | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
• | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
• | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
With each press of a keyless entry transmitter button, a message containing the current battery state of the transmitter is sent to the body control module (BCM) along with the commanded keyless entry function.
When starting the vehicle, a message containing the current battery state of the transmitter is sent to the body control module (BCM).
A keyless transmitter button is pressed.
Ignition ON.
The DTC sets after 3 consecutive low battery signals from the same programmed transmitter.
The keyless entry system is inoperative.
The DTC is cleared when a normal transmitter voltage signal is received from the programmed transmitter that set the DTC.
Keyless Entry System Description and Operation
Control Module References for scan tool information
Verify none of the following DTCs are set:
• | DTC B310D |
• | DTC B310E |
• | DTC B310F |
⇒ | If any of the DTCs are set, replace the battery in the appropriate keyless entry transmitter. Operate the transmitter 3 consecutive times. If the DTC resets, replace the keyless entry transmitter. |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.