The automobile fault code U0143 indicates a problem with the Body Control Module ‘C’ in the vehicle. The most common symptom is the illumination of the Engine Light or Service Engine Soon Warning Light.
The cause of this fault code could be a faulty Body Control Module ‘C’, an open or shorted harness, or a poor electrical connection in the circuit. It is important to visually inspect the related wiring harness and connectors for any damage or corrosion.
The repair time for this fault code is estimated to be 1.0.
To interpret the fault code, it is recommended to check the “Possible Causes” listed above and look for any broken, bent, pushed out, or corroded connector’s pins.
Repair Importance Level | 10.0 (Out of 10) |
Estimated Repair Time | Approximately 1.0 hour |
Repair Difficulty Level | 10.0 (Out of 10) |
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Unresponsive Steering? U0143 Symptoms Explained
If you notice the Engine Light ON (or Service Engine Soon Warning Light), it could be a sign of u0143 fault code. Here are the symptoms to look out for:
- The automobile fault code U0143 has the following symptoms: Engine Light ON, Service Engine Soon Warning Light ON.
Decoding U0143: Common Causes Of The Fault Code
The automobile fault code u0143 can be caused by a faulty Body Control Module ‘C’, an open or shorted harness, or a poor electrical connection in the circuit.
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- The automobile fault code U0143 can be caused by a faulty Body Control Module ‘C’.
- It can also be caused by an open or shorted Body Control Module ‘C’ harness.
- Additionally, a poor electrical connection in the Body Control Module ‘C’ circuit can also trigger this fault code.
Fix U0143: Simple Steps To Solve The Issue
Below are some possible fixes for the automobile fault code u0143, including inspecting wiring harness and connectors for damage or corrosion.
- To fix the automobile fault code u0143, you need to check the possible causes listed above.
- Visually inspect the related wiring harness and connectors.
- Look for damaged components and broken, bent, pushed out, or corroded connector’s pins.
- This fix will take an estimated repair time of 1.0 hour.
Crunching The Numbers: U0143 Fixing Cost & Complexity
The automobile fault code U0143 has an estimated repair time of 1.0 hour. The cost of fixing this fault code is influenced by the repair time. Most auto repair shops charge between $75 and $150 per hour for their services.
Therefore, the fixing cost of U0143 will range between $75 and $150, depending on the repair time required.
It is important to consider the repair time when estimating the fixing cost of this fault code.
U0143: Understanding The Lost Communication With Body Control Module
The U0143 code is a Controller Area Network (CAN) fault code. CAN is a vehicle bus standard designed to interconnect automotive devices without a host computer. The code sets when a periodic message from the Body Control Module ‘C’ has not been received.
The Diagnostic Trouble Code (DTC) indicates that there is a lost communication with Body Control Module ‘C’. The CAN bus uses two dedicated wires for communication, CAN high and CAN low. The CAN bus is NOT sensitive to inductive spikes, electrical fields, or other noise.
FAQ
If your engine light is on and you’re seeing the u0143 fault code, it could be due to a faulty Body Control Module ‘C’, an open or shorted harness, or poor electrical connection in the circuit. To fix this issue, you should visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.
If you’re experiencing the u0143 fault code, which is indicated by the Engine Light ON or Service Engine Soon Warning Light, you may need to visually inspect the related wiring harness and connectors to fix the issue. This fault code can be caused by a faulty Body Control Module ‘C’, an open or shorted Body Control Module ‘C’ harness, or a poor electrical connection in the Body Control Module ‘C’ circuit. To fix the issue, check the possible causes listed above and visually inspect the wiring harness and connectors for any damage or corrosion. Look for broken, bent, pushed out, or corroded connector pins.
If you’re dealing with the u0143 fault code, you should look out for the engine light being on or the service engine soon warning light. The cause of this issue could be a faulty Body Control Module ‘C’, an open or shorted Body Control Module ‘C’ harness, or a poor electrical connection in the Body Control Module ‘C’ circuit. To fix this, you should visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

Wrap Up
If your engine light is on, it could be due to a faulty Body Control Module ‘C’, an open or shorted harness, or poor electrical connection. Visually inspect the wiring harness and connectors for damage or corrosion. Check for broken, bent, or pushed out connector pins.