TB27 - Check Wiring From Fuse Panel to TCSM Connector

- Key "OFF".

- Disconnect Transmission Control Switch Module (TCSM).

- Locate circuit (911) on the vehicle harness side of the TCSM connector and ground pin (911).

- Key "ON", engine "OFF".

- Does Transmission Control Indicator Lamp (TCIL) light?

Yes -- Concern may be intermittent. Check pin fit, wire crimps, pushed out pins.

No -- Check bulb, if OK, open is in the wiring between the fuse panel and the TCSM connector. Service open.