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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 353 ((Antilock Brake System (Abs) - Electrical Diagnostics - 2500 Hd & 3500 Hd)) >> Diagnosis And Testing >> C121C-00-Torque Request Signal Denied >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
EXCESSIVE LOAD ON ENGINE
POWERTRAIN CONTROL MODULE (PCM)
NOTE:

If any PCM DTCs are present, perform the appropriate diagnostic procedure. Refer to DTC INDEX - 2500 HD & 3500 HD article .

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