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Home >> Jeep >> 2012 >> Grand Cherokee SRT-8 >> Repair and Diagnosis >> Engine Performance >> System >> 6.4L - DTCS P2273 To U1431 >> Diagnosis And Testing >> U0102-Lost Communication With Transfer Case Control Module / AWD >> Set Condition:

Set Condition:

The Powertrain Control Module (PCM) doesn't receive a Bus Message from the Drivetrain Control Module for approximately two to five seconds.

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