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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 >> When Monitored:

When Monitored:

Ignition run time is greater than one second.

Battery voltage between 10.0 and 16.0 Volts.