C1204 Buick Code - Right Front Wheel Speed Sensor Circuit Range Performance
Quick Answer
As the wheel is rotated, the speed sensor produces an AC voltage that increases with wheel speed. Common causes include Faulty Right Front Wheel Speed Sensor, Right Front Wheel Speed Sensor harness is open or shorted, Right Front Wheel Speed Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- C1204 Buick indicates Right Front Wheel Speed Sensor Circuit Range Performance.
- Common causes
- Common causes include Faulty Right Front Wheel Speed Sensor, Right Front Wheel Speed Sensor harness is open or shorted, Right Front Wheel Speed Sensor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code C1204 Buick Description
What are the Possible Causes of the DTC C1204 Buick?
- Faulty Right Front Wheel Speed Sensor
- Right Front Wheel Speed Sensor harness is open or shorted
- Right Front Wheel Speed Sensor circuit poor electrical connection
- Faulty Electronic Brake Control Module (EBCM)
How to Fix the DTC C1204 Buick?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1204 Buick code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about C1204 Buick Code
1. What does the OBDII code C1204 mean for a Buick?
The C1204 code indicates a problem with the right front wheel speed sensor circuit, specifically related to range or performance issues.
2. What are the common symptoms of code C1204 in a Buick?
Common symptoms include the ABS warning light turning on, reduced or disabled anti-lock braking functionality, and potential traction control issues.
3. What causes the C1204 code to appear?
Causes may include a faulty right front wheel speed sensor, damaged wiring or connectors, debris obstructing the sensor, or a malfunctioning ABS module.
4. Can I drive my Buick with the C1204 code active?
While the vehicle may remain drivable, the ABS and traction control systems may not function properly, potentially compromising safety in certain conditions.
5. How do I diagnose the C1204 code on my Buick?
Start by visually inspecting the right front wheel speed sensor and its wiring for damage, then test the sensor’s resistance and signal using a multimeter or scan tool.
6. How do you fix the C1204 code on a Buick?
Repairs may involve replacing the right front wheel speed sensor, repairing damaged wires or connectors, or cleaning debris from around the sensor.
7. How much does it cost to fix the C1204 code on a Buick?
Depending on the issue, costs can range from $50 to $200 for a replacement sensor or wiring repairs, with additional labor costs if done by a mechanic.
8. Could a dirty or misaligned wheel speed sensor cause the C1204 code?
Yes, dirt, debris, or improper alignment can interfere with the sensor’s ability to read wheel speed accurately, triggering the code.
9. Will clearing the C1204 code fix the problem?
Clearing the code may turn off the warning light temporarily, but the underlying issue must be addressed to prevent the code from returning.
10. Can a faulty ABS module trigger the C1204 code in a Buick?
Yes, though less common, a malfunctioning ABS module can cause incorrect readings from the wheel speed sensor circuit and trigger the code.
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