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Home >> Chrysler >> 2012 >> 300 Base, Trans Mfr CD 8HP45, Gas >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Transmission Control Module (TCM) - DTCS P1D94 To U1479 - 8HP45 Automatic Transmission >> Diagnosis And Testing >> U0121-Lost Communication With Anti-Lock Brake System (Abs) Control Module >> When Monitored:

When Monitored:

Continuously with the ignition on and voltage within a valid range.

No failure in CAN BUS monitoring.

No failure in CAN BUS or message monitoring.