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Home >> Jeep >> 2005 >> Wrangler Rubicon, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 490 (Powertrain Diagnostic Procedures - Diesel) >> Diagnostic Information And Procedures >> Communication - Symptoms >> Symptom: LOST COMMUNICATION WITH TCM (FCM) (DIESEL ONLY) >> When Monitored and Set Condition: >> Lost Communication With TCM (FCM) (Diesel Only)

Lost Communication With TCM (FCM) (Diesel Only)

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

When Monitored: With the ignition in run, and the IOD fuse installed.

Set Condition: The FCM does not receive any messages from the Transmission Control Module (TCM).

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