- shut off the phone
- open up the case
- remove the battery
- locate the c121c code on the phone’s mainboard
- solder a wire from point A to point B on the mainboard
- reassemble the phone
- power on the phone
CONTENTS
C121C TORQUE REQUEST SIGNAL DENIED
07-18 JK Jeep Wrangler ABS Module How To Replace. Code C121C
What causes C121C code?
C121C code is a generic OBD-II code that is triggered when the Engine Control Module (ECM) detects a problem with the charging system. The charging system includes the battery, alternator, voltage regulator, and other electrical components. The ECM uses sensors to monitor the charging system and sets the C121C code when it detects a problem.
What does C121C mean?
The C121C code indicates that there is a problem with the vehicle’s catalytic converter.
FAQ
What is the c121c code?
The c 121 c code is a three-digit medical code used to classify various diagnoses and conditions.
How do you fix the c121c code?
The c121c code indicates that there is a problem with the communications between the ECM and the TCM. To fix this, you will need to check the wiring harness for any loose, damaged, or corroded wires. Once all the wiring has been checked, you will need to reprogram the ECM and the TCM.
What are the symptoms of the c121c code?
The c121c code indicates a problem with the camshaft position sensor. Symptoms of this code may include the engine stalling, difficulty starting the engine, and the engine running rough.
What causes the c121c code?
The c121c code indicates a problem with the crankshaft position sensor. This sensor is responsible for detecting the position of the crankshaft and relaying that information to the engine control unit (ECU). If the ECU does not receive the correct signal from the sensor, it will not be able to properly control the engine.
There are a number of things that can cause the crankshaft position sensor to fail. The most common causes are a build-up of dirt or debris on the sensor, or a problem with the wiring. In some cases, the sensor itself may be faulty.
If you’re experiencing engine trouble and your vehicle has thrown the c121c code, the first step is to check the crankshaft position sensor and make sure it’s clean and free of debris. If the sensor is dirty, you can try cleaning it with a soft cloth. If the problem persists, you may need to replace the sensor.
How can I prevent the c121c code from happening?
There is not a definitive answer to this question as the c121c code can be caused by a number of different factors. However, some potential causes of the c121c code include a faulty or loose connection between the battery and the vehicle’s electrical system, a problem with the vehicle’s charging system, or a faulty battery itself. To help prevent the c121c code from occurring, it is important to regularly check the connection between the battery and the vehicle’s electrical system, as well as the condition of the battery itself.