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Home >> Jeep >> 2017 >> Wrangler Sahara, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 ((Antilock Brake System (Abs) - Electrical Diagnostics)) >> DTC Troubleshooting >> C121C-00-Torque Request Signal Denied >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
EXCESSIVE LOAD ON ENGINE
ANTI-LOCK BRAKE SYSTEM (ABS) MODULE
POWERTRAIN CONTROL MODULE (PCM)
NOTE:

If any PCM DTCs are present, perform the appropriate diagnostic procedure. For 2.4L, refer to 2.4L - DIAGNOSTIC CODE INDEX . For 3.2L, refer to 3.2L - DIAGNOSTIC CODE INDEX .