Pinpoint Test Z : U0258:87 Or U1A00:00: Notes

Refer to Remote Keyless Entry and Alarm for schematic and connector information.

Normal Operation and Fault Conditions

The RTM communicates with the BCM over a LIN-based circuit and, when the network is awake, over the CAN.

RTM DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
U1A00:00	Private Communication Network: No Sub Type Information	Sets when the RTM detects a fault with the LIN circuit to the BCM.

BCM DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
U0258:87	Lost Communication With Radio Transceiver: Missing Message	Sets when the BCM detects a communication fault with the RTM over the LIN circuit.

Possible Causes