Why is my c121c torque request signal denied?

Why is my c121c torque request signal denied?

Problem occurs when rpm is at about 5000 and up when gear drops (while accelerating heavy) then traction light comes on as well as the check engine light. After that ABS turns on automatically past 80kph and 130kph the car won’t go past 130kph due to abs, on top the gear seems to be stuck on 4th or 5th.

What is the c121c code on a Dodge?

The C121C code has either the ABS controller module, or the powertrain controller module as failure sources. There is a specific Dodge diagnostic process requiring a code reader capable of reading powertrain Diagnostic Trouble Codes (DTCs).

How to check DTC on Jeep JK Wrangler?

If you do step #1 correctly, all your dash lights will illuminate and your odometer will show up as a series of (6) dashes as shown in the pic to the left. If your Jeep JK Wrangler has any logged in any DTC’s, they will be displayed soon after the dashes appear.

What happens if I Reset my Jeep ECM?

To finish off this post , here are a couple of things you should keep in mind. Resetting your Jeep ECM will not have any effect on your vehicle’s mileage, Resetting it should not cause any issues between your other module so feel free to this as many time as you want if you’re trying to diagnose a problem with your car. For good measure.

The C121C code has either the ABS controller module, or the powertrain controller module as failure sources. There is a specific Dodge diagnostic process requiring a code reader capable of reading powertrain Diagnostic Trouble Codes (DTCs).

Problem occurs when rpm is at about 5000 and up when gear drops (while accelerating heavy) then traction light comes on as well as the check engine light. After that ABS turns on automatically past 80kph and 130kph the car won’t go past 130kph due to abs, on top the gear seems to be stuck on 4th or 5th.

What does c121c mean on an ABS system?

C121C Code – When the Antilock Brake System (ABS) Module indicates if engine management relevant for Automatic Yaw Control/Traction Control System can be accomplished. Default Action, the ABS indicator light illuminate. Possible causes C121C Code Antilock Brake System (ABS) Module.