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| • | 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 : with ATH → without ATH
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.
Remote Control Door Lock Transmitter Programming : with or without ATH
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