OBD code C1502 indicates an issue with the Tire Pressure Monitoring System (TPMS).
Symptoms include the ABS and TPMS warning lights being illuminated.
This is commonly caused by a faulty tire pressure sensor, open or shorted sensor harness, or poor electrical connection.
While not a critical issue, it can affect vehicle safety.
To fix, inspect 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) |
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Symptoms of the c1502 OBD Code
The vehicle displays a warning light indicating a communication error with the brake control module.
- Symptoms: AntiLock Brake System (ABS) Warning Light ON.
- Tire Pressure Monitor System (TPMS) Warning Light ON.
Causes of the c1502 OBD Code
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Possible triggers for fault code C1502 include issues with the vehicle’s steering angle sensor.
- C1502 can be caused by a faulty Tire Pressure Sensor.
- A Tire Pressure Sensor harness that is open or shorted.
- A Tire Pressure Sensor circuit with a poor electrical connection.
Fixing Error Code c1502 Step By Step
To address fault code C1502, inspect the steering angle sensor for proper calibration and functionality.
- To fix OBDII code C1502, start by reviewing the possible causes mentioned above.
- Visually examine the wiring harness and connectors related to the ABS control module.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If no issues are found with the wiring and connectors, proceed to test the ABS control module for proper operation.
- Consider reprogramming or replacing the module if necessary to resolve the C1502 fault code.
Cost Of Fixing c1502 Fault Code
Diagnosing and repairing fault code C1502 may involve inspecting and replacing faulty wheel speed sensors.
The cost to diagnose and fix OBD code C1502 is influenced by the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour, affecting the total cost.
Other factors like shop rates and complexity of the repair can also impact the final price.
Details of the c1502 OBD Code
C1502 indicates a fault with the brake pedal switch circuit.
OBD code C1502 indicates a fault with the vehicle speed sensor A.
This code is triggered by the ECM (Engine Control Module) when it detects a signal malfunction or inconsistency from the vehicle speed sensor A.
The vehicle speed sensor A is responsible for monitoring the speed of the vehicle and providing this information to the ECM for various vehicle systems to operate correctly, such as the speedometer, cruise control, and transmission control module.
When this sensor fails or sends incorrect signals, the ECM will trigger the C1502 fault code.
Mechanic’s Tech Notes
Code C1502 indicates a fault in the brake pedal switch circuit.
OBDII code C1502 relates to a transmission control module (TCM) communication error.
To diagnose, check TCM power and ground using a multimeter.
Verify TCM response over the Controller Area Network (CAN) network with a scan tool.
Visually inspect wiring harnesses and connectors for damage, focusing on broken, bent, or corroded pins.
Reflash the TCM if necessary.
This procedure helps ensure proper power supply, communication, and data exchange between the TCM and other vehicle modules.
FAQ
OBD code C1502 indicates an issue with the Tire Pressure Sensor system. Check for faulty sensor, wiring harness issues, or poor electrical connection.
Common symptoms for OBD code C1502 include ABS and TPMS warning lights on. Causes may be faulty tire pressure sensor or related wiring issues. Inspect and repair as needed.
Diagnose and repair OBD code C1502 by checking for faulty tire pressure sensor, open/shorted harness, or poor connection. Inspect wiring harness and connectors for damage or corrosion.
Wrap Up
If your ABS warning light is illuminated and you see OBDII code c1502, it may indicate a fault in the front right wheel speed sensor circuit.
This could be caused by a damaged wheel speed sensor, faulty wiring connections, or a corroded sensor connector.
To address OBDII code c1502, start by inspecting the front right wheel speed sensor and its wiring harness for any visible damage.
Test the sensor’s resistance and check the connector for corrosion or loose pins.
Replace the sensor if necessary and ensure all connections are secure.
