Information Bus: Service and Repair

CAUTION: In the event that replacement of both the Gateway Module and the Sentry Key Remote Entry Module (SKREEM) is required, the Gateway Module MUST be replaced first. The sentry key information should then be uploaded to the Powertrain Control Module (PCM), refer to Powertrain Control Module for the appropriate procedure. Once the key information is successfully programmed to the PCM the SKREEM module may be replaced. Failure to follow this module replacement sequence may result in the loss of sentry key information and a vehicle NO START condition.

REMOVAL




1. Disconnect and isolate the battery negative cable.
2. Remove the push pin fastener (2) that secures the gateway module cover (1) to the module bracket. Remove the module cover (1).




3. Disconnect the electrical connector (2) from the gateway module (1).




4. Remove the mounting bolts (4) that secure the gateway module (5) to the mounting bracket (3).
5. Remove the gateway module (5) from the vehicle.

INSTALLATION




1. Position the gateway module (5) into the vehicle.
2. Install the mounting bolts (4) that secure the gateway module (5) to the mounting bracket (3).




3. Connect the electrical connector (2) to the gateway module (1).




4. Position the gateway module cover (1) over the module and install the push pin fastener (2).
5. Connect the battery negative cable.
6. Upload the sentry key information to the Powertrain Control Module (PCM), refer to Powertrain Control Module for the appropriate procedure.