C1228 Cadillac Code - Right Rear Excessive Wheel Speed Variation
Quick Answer
As the wheel spins, the wheel speed sensor produces an AC signal. Common causes include Faulty Hub Assembly (Right Rear Wheel Speed Sensor is part of hub assembly), Faulty Right Rear Wheel Speed Sensor, Right Rear Wheel Speed Sensor harness is open or shorted. 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
- C1228 Cadillac indicates Right Rear Excessive Wheel Speed Variation.
- Common causes
- Common causes include Faulty Hub Assembly (Right Rear Wheel Speed Sensor is part of hub assembly), Faulty Right Rear Wheel Speed Sensor, Right Rear Wheel Speed Sensor harness is open or shorted.
- 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 C1228 Cadillac Description
What are the Possible Causes of the DTC C1228 Cadillac?
- Faulty Hub Assembly (Right Rear Wheel Speed Sensor is part of hub assembly)
- Faulty Right Rear Wheel Speed Sensor
- Right Rear Wheel Speed Sensor harness is open or shorted
- Right Rear Wheel Speed Sensor circuit poor electrical connection
How to Fix the DTC C1228 Cadillac?
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 C1228 Cadillac 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 C1228 Cadillac Code
1. What does the OBDII code C1228 mean on a Cadillac?
C1228 indicates that the right rear wheel speed sensor has detected excessive wheel speed variation, which may signal an issue with the sensor, wiring, or related components.
2. What are the common symptoms of code C1228 on a Cadillac?
Symptoms may include the ABS warning light illuminated, traction control or stability system disabled, pulsating brakes, or erratic braking behavior.
3. What causes the C1228 code to appear on a Cadillac?
Common causes include a faulty right rear wheel speed sensor, damaged sensor wiring, a dirty or damaged tone ring, or issues with the ABS module.
4. Can I drive my Cadillac with a C1228 code?
While the vehicle may be drivable, the ABS and traction control systems may be compromised, increasing the risk of skidding or loss of control in slippery conditions.
5. How do I diagnose the C1228 code on a Cadillac?
Start by inspecting the right rear wheel speed sensor, its wiring, and the tone ring for damage, debris, or corrosion. Use an OBDII scanner to monitor live data from the sensor.
6. How do you fix a C1228 code on a Cadillac?
Repairs may involve cleaning or replacing the right rear wheel speed sensor, repairing or replacing damaged wiring, or addressing issues with the tone ring or ABS module.
7. Can a dirty tone ring cause the C1228 code on a Cadillac?
Yes, dirt or debris on the tone ring can interfere with the wheel speed sensor's ability to detect wheel speed accurately, triggering the code.
8. How much does it cost to fix the C1228 code on a Cadillac?
Repair costs vary but may range from $100 to $300 for a replacement wheel speed sensor, with higher costs if additional components like wiring or the ABS module need repair.
9. Will clearing the C1228 code fix the problem on my Cadillac?
Clearing the code may turn off the warning light temporarily, but the underlying issue must be resolved to prevent the code from returning.
10. Can a bad ABS module cause the C1228 code on a Cadillac?
Yes, a malfunctioning ABS module can misinterpret sensor data or fail to process it correctly, potentially leading to this code.
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