The OBD code U120C for Chrysler indicates an issue with the Brake Booster Pressure Sensor circuit.
Symptoms include the Engine Light being ON.
This code is commonly caused by a faulty Brake Booster Pressure Sensor or related wiring issues.
It is important to address promptly to ensure proper brake system operation.
A possible fix involves inspecting the sensor, wiring harness, and connectors for any damage or poor connections.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
I know how frustrating it is to see that warning light pop up again and again. You don’t need to spend money at the mechanic just to clear it. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and avoid the time and inconvenience of driving to a mechanic. Just plug it in, connect to your Android or iOS phone, and instantly see live data. Understand the fault code, clear it right away, and decide if it’s something urgent or if you’re good to drive. It even monitors your car and sends notifications to your phone, so you’re always in control. Simple, fast, and stress-free—today’s offer price!
Symptoms of the Chrysler u120c OBD Code
The vehicle displays a loss of communication with the fuel pump control module.
- Symptoms: Service Electronic Throttle Control warning light may illuminate.
- Loss of throttle response.
- Engine may go into limp mode.
- Engine may stall at idle.
- Engine may have difficulty starting.
Causes of the Chrysler u120c OBD Code
Do you know you can clear most fault codes—but some could mean serious danger? Don’t take chances with your safety or your family’s safety. This budget-friendly car scanner makes it easy to clear fault codes in seconds while showing you exactly what’s wrong. Plug it in, connect to your Android or iOS phone, and instantly check live data. You’ll know if it’s a minor issue you can clear or something serious that needs attention—so you can drive safely and stress-free. (Today’s Deal)
Possible triggers for Chrysler U120C include faulty ABS module, wiring issues, or CAN bus communication problems.
- U120C can be caused by a Faulty Brake Booster Pressure Sensor.
- A Brake Booster Pressure Sensor harness that is open or shorted.
- A Brake Booster Pressure Sensor circuit with poor electrical connection.
- A Faulty Antilock Brake System (ABS) Module.
Fixing Chrysler Error Code u120c Step By Step
Address the communication issue between the vehicle’s network modules to resolve Chrysler U120C fault code.
- To fix the Chrysler OBDII code U120C, start by reviewing the possible causes mentioned above.
- Visually examine the wiring harness and connectors related to the ABS module.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If no visible issues are found, proceed to test the ABS module for proper operation.
- Reset the module or reprogram it if necessary.
- Consider replacing the ABS module if all other steps do not resolve the U120C code.
Cost Of Fixing Chrysler u120c Fault Code
The repair for Chrysler fault code U120C may involve diagnosing and fixing a communication issue.
The cost to diagnose and fix the Chrysler OBD code U120C depends on the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour, so the total cost could be between $75 and $150. The final cost may vary based on shop rates and the complexity of the repair.
Details of the Chrysler u120c OBD Code
Chrysler U120C code indicates a communication issue with the fuel pump control module.
Chrysler OBD code U120C means that a communication issue has been detected between the fuel pump control module and the PCM (Powertrain Control Module).
This code is triggered by the PCM when it does not receive the expected signal from the fuel pump control module over the CAN (Controller Area Network) bus.
This communication error can lead to drivability issues and potentially cause the vehicle to stall.
Mechanic’s Tech Notes
For Chrysler U120C code, refer to detailed information for diagnosis and repair guidance.
To diagnose and fix OBDII code U120C in a Chrysler vehicle, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) network with a scan tool.
If the TCM does not respond, reprogramming or reflashing may be necessary.
Visually inspect the wiring harness and connectors for any damage, and check connector pins for signs of being broken, bent, pushed out, or corroded.
Address any issues found during the inspection to resolve the U120C fault code.
FAQ
Common symptoms of Chrysler OBD code U120C include Engine Light ON, caused by issues like faulty Brake Booster Pressure Sensor or ABS Module. Inspect and repair related components and wiring.
To diagnose code U120C in a Chrysler vehicle, check for a faulty brake booster pressure sensor, wiring issues, or a faulty ABS module. Inspect wiring and connectors for damage.
To resolve OBD code U120C in a Chrysler vehicle, check the brake booster pressure sensor, its harness, and ABS module for faults. Inspect wiring and connectors for damage.
Wrap Up
If your Chrysler is displaying OBDII code u120c, you may experience issues with the fuel level sensor circuit.
This could be caused by a faulty fuel level sensor, damaged wiring, or poor electrical connections in the fuel level sensor circuit.
To address Chrysler OBDII code u120c, start by inspecting the fuel level sensor and its wiring harness for any signs of damage or corrosion.
Test the sensor’s resistance and ensure all connectors are securely attached.
Replace the sensor if necessary and repair any wiring issues to resolve the fault.
