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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 357 (Powertrain Control Module (Pcm) - Electrical Diagnostics - 42RLE Automatic Transmission) >> DTC Troubleshooting >> U0121 Lost Communication With Abs >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

Refer to  DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Diagnosis and Testing  for CAN BUS Communication diagnostic procedures and other possible causes. 

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