OBD code C1226 indicates a fault in the Right Front Wheel Speed Sensor circuit of the AntiLock Brake System (ABS).
Symptoms include the ABS Warning Light and Engine Light being illuminated.
This issue is commonly caused by a faulty hub assembly or sensor, open/shorted harness, or poor electrical connection.
It is crucial to inspect and possibly replace damaged components or connectors for a fix.
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 c1226 OBD Code
The ABS warning light is illuminated on the dashboard for fault code C1226.
- Symptoms for OBD code C1226 include: AntiLock Brake System (ABS) Warning Light ON.
- Engine Light ON (or Service Engine Soon Warning Light).
- Possible loss of ABS functionality.
- Unusual noises coming from the ABS system.
- Difficulty braking smoothly.
Causes of the c1226 OBD Code
C1226 code typically indicates a malfunction in the right front excessive wheel speed variation.
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- C1226 can be caused by a faulty Hub Assembly (Right Front Wheel Speed Sensor is part of hub assembly).
- A faulty Right Front Wheel Speed Sensor.
- The Right Front Wheel Speed Sensor harness being open or shorted.
- A poor electrical connection in the Right Front Wheel Speed Sensor circuit.
Fixing Error Code c1226 Step By Step
Repairing fault code C1226 involves inspecting and potentially replacing the brake lamp switch.
- To fix OBDII code C1226, start by reviewing the possible causes mentioned above.
- Visually examine the wiring harness and connectors related to the ABS system.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- Test the wheel speed sensors for proper operation and signal output.
- Inspect the ABS module for any signs of damage or corrosion.
- Reset the ABS module using a professional scan tool.
- If the issue persists, consider replacing the ABS module with a new or remanufactured unit.
Cost Of Fixing c1226 Fault Code
Repairing fault code C1226 typically involves replacing the brake lamp switch or addressing related wiring issues.
The cost to diagnose and fix OBD code C1226 typically ranges from $75 to $150, with an estimated repair time of 1. 0 hour.
Costs depend on labor rates, shop fees, and the complexity of the ABS system in the vehicle.
Details of the c1226 OBD Code
C1226 indicates an issue with the right front excessive wheel speed variation.
OBD code C1226 means Lamp Brake Warning Output Circuit Short to Battery.
This code is triggered by the ABS module when it detects a short to battery in the brake warning lamp circuit.
The ABS module monitors this circuit to ensure proper operation of the brake warning lamp.
If a short to battery is detected, the C1226 code is set, indicating a fault in the brake warning lamp circuit.
Mechanic’s Tech Notes
Code C1226 indicates an issue with the right front excessive wheel speed variation.
To diagnose and fix OBDII code C1226, start by checking the ABS module power and ground using a voltmeter.
Verify communication between the ABS module and other modules over the CAN network using a scan tool.
Inspect the wiring harness and connectors for any damage, and ensure connector pins are not broken, bent, pushed out, or corroded.
If no visible issues are found, consider reprogramming or replacing the ABS module.
Remember to clear the code after repairs are made and perform a road test to confirm the issue is resolved.
FAQ
OBD code C1226 indicates an issue with the Right Front Wheel Speed Sensor circuit. Check the sensor, hub assembly, wiring, and connectors for faults.
Common symptoms for OBD code C1226 include ABS warning light on, engine light on, caused by faulty hub assembly, wheel speed sensor, or wiring issues. Fix: Inspect and repair as needed.
Diagnose OBD code C1226 by checking the right front wheel speed sensor, hub assembly, and related wiring for faults. Repair as needed to resolve ABS warning light.

Wrap Up
If your ABS warning light is on and you see OBDII code c1226, it may indicate an issue with the right front wheel speed sensor circuit.
This could be caused by a faulty wheel speed sensor, damaged wiring, or poor connections.
To address OBDII code c1226, start by inspecting the wiring and connectors related to the right front wheel speed sensor.
Look for any signs of damage, corrosion, or loose connections.
Test the sensor itself for proper operation and replace if necessary to resolve the issue.