OBD code C2123 indicates a fault in the Tire Pressure Monitor System (TPMS).
Symptoms include the TPMS and AntiLock Brake System (ABS) warning lights turning on.
This is commonly caused by a faulty Tire Pressure Warning Valve, Transmitter, or ECU.
It is a moderate issue that can be resolved by inspecting and repairing the corresponding wiring harness and connectors for any damage or corrosion.
| 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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Symptoms of the c2123 OBD Code
The vehicle displays a warning light indicating a fault with the ABS system (C2123).
- Symptoms: Tire Pressure Monitor System (TPMS) Warning Light ON.
- AntiLock Brake System (ABS) Warning Light ON.
Causes of the c2123 OBD Code
Possible triggers for fault code C2123 include wheel speed sensor issues and ABS module malfunctions.
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- C2123 can be caused by a Faulty Tire Pressure Warning Valve and Transmitter.
- A Faulty Tire Pressure Warning ECU and Receiver.
Fixing Error Code c2123 Step By Step
To address fault code C2123, inspect the wheel speed sensor and related wiring for faults.
- To fix OBDII code C2123, first, review the possible causes related to this fault code.
- Visually examine the wiring harness and connectors associated with the ABS system.
- 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, perform a diagnostic scan tool test to pinpoint the exact cause of the fault.
- Based on the diagnostic results, replace any faulty ABS sensors, repair damaged wiring, or recalibrate the ABS module as necessary.
- Finally, clear the fault code from the vehicle’s computer memory to complete the repair process.
Cost Of Fixing c2123 Fault Code
Diagnosing and repairing fault code C2123 may involve inspecting and replacing the wheel speed sensor.
The cost to diagnose and fix OBD code C2123 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 c2123 OBD Code
Fault code C2123 relates to a malfunction in the ABS hydraulic pump motor circuit.
OBD code C2123 means that there is a malfunction in the ABS motor circuit.
This code is triggered by the ABS control module when it detects an issue with the motor circuit.
The ABS motor is responsible for applying and releasing the brakes to prevent wheel lockup during braking.
When this circuit malfunctions, it can affect the proper operation of the ABS system, potentially compromising vehicle safety.
Mechanic’s Tech Notes
Code C2123 indicates a malfunction in the ABS motor circuit.
To diagnose and fix OBDII code C2123, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) using 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.
This thorough inspection can help identify and resolve the issue causing the C2123 fault code.
FAQ
OBD code C2123 indicates an issue with the Tire Pressure Monitor System (TPMS). Check for faulty TPMS components and inspect wiring harness and connectors for damage.
Common symptoms for OBD code C2123 include TPMS and ABS warning lights ON. Causes may be faulty TPMS valve, ECU, or wiring. Inspect components and connectors for damage.
Diagnose OBD code C2123 by checking TPMS valve, ECU, wiring harness, and connectors for damage. Repair or replace faulty components as needed.
Wrap Up
If your ABS warning light is illuminated and you’re seeing OBDII code c2123, it may indicate a fault with the ABS hydraulic pump motor circuit.
This could be caused by a malfunctioning ABS hydraulic pump motor, damaged wiring, or poor electrical connections.
To address OBDII code c2123, start by inspecting the wiring harness and connectors related to the ABS hydraulic pump motor.
Look for any signs of damage, corrosion, or loose connections.
Test the ABS hydraulic pump motor for proper operation and replace it if necessary to resolve the issue.
