FRAME AS 3701917 - Caterpillar

This diagnostic code is recorded when the VIMS Main Module has received three consecutive samples from the masterboard indicating that the SIM Card was not detected.Test Step 1. CHECK SIM STATUS AFTER A POWER CYCLE.
Turn the key to OFF.
Close the disconnect.
Wait a few moments and reapply power.
Turn on the disconnect .
Turn the key to ON.
After 3 minutes, connect Cat ET and recheck the SIM status. Expected Result:The SIM card is detected by the masterboard.Results:
OK - Masterboard was in a low-power mode. Low power is an expected function. Proceed with operation.STOP
NOT OK - SIM was not detected. Proceed to Test Step 2Test Step 2. VERIFY THAT THE SIM CARD IS INSTALLED.
Remove power from the machine.
Remove SIM card cover.
Verify that the SIM card is firmly in the slot. Expected Result:The SIM card is present and firmly in the slot.Results:
OK - Proceed to Step 3
NOT OK - If present, secure the SIM card in the slot. If not present, contact your Caterpillar Technical Communicator to report the issue and to order a new SIM card.STOPTest Step 3. VERIFY THAT THE SIM CARD IS ACTIVATED.
. Contact your Product Link Administrator to verify that the device has subscriptions in Trimble Store.
Contact your Product Link Administrator to contact Trimble for verification that the SIM card is active, approved on the network, and roaming is enabled. Expected Result:The device has subscriptions in Trimble Store. Trimble confirms that the SIM card is active.Results:
OK - Proceed to Step 4
NOT OK - Purchase subscriptions in Trimble Store. Once subscriptions are purchased, verify that the SIM status is correct in Cat ET. STOPTest Step 4. VERIFY THAT THE SIM CARD IS ACTIVATED.
. Contact your Product Link Administrator to verify that the device has subscriptions in Trimble Store.
Contact your Product Link Administrator to contact Trimble for verification that the SIM card is active. Expected Result:The device has subscriptions in Trimble Store. Trimble confirms that the SIM card is active.Results:
OK - Verify that the machine is in a location to receive cellular communications. Verify that the antenna has not failed. If both criteria are met, replace the device.STOP
NOT OK - Purchase subscriptions in Trimble Store. Once subscriptions are purchased, verify that the SIM status is correct in Cat ET.STOP