The OBD code C156E indicates a problem with the air suspension height sensor calibration or a faulty Air Suspension Control Module (ASCM).
This affects the AntiLock Brake System (ABS) and can trigger the ABS warning light and engine light to illuminate.
To fix this, inspect the wiring harness, connectors, and components for damage or corrosion, and ensure the sensor is calibrated correctly.
This issue should be addressed promptly to prevent potential ABS system malfunctions.
| 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 c156e OBD Code
The vehicle displays a warning light indicating a communication error with the electronic brake control module.
- Symptoms: AntiLock Brake System (ABS) Warning Light ON.
- Engine Light ON (or Service Engine Soon Warning Light).
- Possible loss of ABS functionality.
- Brake pedal may feel different during braking.
- Unusual noises from the ABS system.
Causes of the c156e OBD Code
Possible triggers for fault code C156E include faulty wheel speed sensor or damaged wiring.
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- C156E can be caused by an Air Suspension Height Sensor Not Calibrated.
- A Faulty Air Suspension Control Module (ASCM).
Fixing Error Code c156e Step By Step
Address the ABS module communication issue by checking wiring and connections for fault code C156E.
- To fix OBDII code C156E, first, review the possible causes related to this code.
- Visually examine the wiring harness and connectors associated with the ABS module.
- Check for any damaged components or signs of wear.
- Inspect the connector pins for any issues like being broken, bent, pushed out, or corroded.
- Repair or replace any damaged wiring or connectors found during the inspection.
- Clear the fault code using a diagnostic scan tool.
- Test drive the vehicle to ensure the code does not return.
Cost Of Fixing c156e Fault Code
Diagnosing and repairing fault code C156E may involve inspecting and replacing the wheel speed sensor.
The cost to diagnose and fix OBD code C156E 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. Actual cost may vary based on shop rates and the complexity of the repair.
Details of the c156e OBD Code
Code C156E relates to an issue with the brake pressure sensor circuit.
OBD code C156E means Steering Angle Sensor Internal fault.
This code is triggered by the Steering Angle Sensor (SAS) module when it detects an internal fault within the sensor itself.
The SAS is a critical component of the Electronic Stability Control (ESC) system, providing data on the steering wheel angle to help the ESC system determine the vehicle’s intended direction.
When the SAS malfunctions internally, it can lead to inaccurate steering angle readings, potentially affecting the ESC system’s performance and overall vehicle stability.
Mechanic’s Tech Notes
Code C156E indicates a fault with the brake pressure sensor circuit in the vehicle’s ABS system.
To diagnose OBDII code C156E, 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 ensure connector pins are not broken, bent, pushed out, or corroded.
This thorough inspection can help identify and resolve the issue causing the fault code.
FAQ
OBD code C156E indicates an issue with the Air Suspension Height Sensor calibration or a faulty Air Suspension Control Module (ASCM). Check wiring and connectors for damage.
Common symptoms for OBD code C156E include ABS warning light on, engine light on. Causes may be air suspension height sensor not calibrated, faulty ASCM. Fix: Inspect wiring harness and connectors.
Diagnose OBD code C156E by checking air suspension height sensor calibration and ASCM. Inspect wiring harness, connectors, and pins for damage or corrosion.
Wrap Up
If your vehicle displays OBDII code c156e along with ABS warning lights, it may indicate a fault in the brake pressure sensor circuit.
This could be caused by a faulty brake pressure sensor, damaged wiring, or poor connections in the ABS system.
To address OBDII code c156e, start by inspecting the brake pressure sensor and its wiring harness for any visible damage.
Test the sensor’s functionality and check for loose or corroded connectors in the ABS module.
Replace the sensor if necessary and ensure all connections are secure to resolve the issue.
