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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 490 (Powertrain Diagnostic Procedures - Diesel) >> Diagnostic Information And Procedures >> Communication - Symptoms >> Symptom: LOST COMMUNICATION WITH ABS (FCM) (DIESEL ONLY) >> 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.

ATTEMPT TO COMMUNICATE WITH THE ABS

CHECK FOR ACTIVE DTC STATUS

CAN C BUS (+) CIRCUIT OPEN

CAN C BUS (-) CIRCUIT OPEN

ANTILOCK BRAKE MODULE