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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 492 (Automatic Transmission Diagnostic Procedures) >> Diagnostic Information And Procedures >> Transmission - RFE - Diagnostic Tests >> P0891-Transmission Relay Always On >> Possible Causes

Possible Causes

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.

TRANSMISSION CONTROL RELAY CONTROL CIRCUIT SHORT TO VOLTAGE

TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT SHORT TO VOLTAGE

TRANSMISSION CONTROL RELAY STUCK CLOSED

TRANSMISSION CONTROL MODULE

INTERMITTENT WIRING AND CONNECTORS