C1203 Cadillac Code - Right Front Wheel Speed Sensor Circuit Open or Shorted
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
- C1203 Cadillac indicates Right Front Wheel Speed Sensor Circuit Open or Shorted.
- 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 C1203 Cadillac Description
What are the Possible Causes of the DTC C1203 Cadillac?
- 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 C1203 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 C1203 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 C1203 Cadillac Code
1. What does the OBDII code C1203 on a Cadillac mean?
C1203 indicates an issue with the right front wheel speed sensor circuit, which may be open or shorted.
2. What are the symptoms of the C1203 code on a Cadillac?
Common symptoms include the ABS or traction control warning light turning on, reduced ABS functionality, and possible loss of traction control.
3. What causes the C1203 code to appear on a Cadillac?
Potential causes include a damaged or corroded wheel speed sensor, faulty wiring or connectors, or issues with the ABS control module.
4. Can I drive my Cadillac with a C1203 code?
While the vehicle is drivable, the ABS and traction control systems may not function properly, increasing the risk of skidding or losing traction.
5. How do I diagnose the C1203 code on my Cadillac?
Start by inspecting the right front wheel speed sensor and its wiring for damage or corrosion. A multimeter can be used to test for continuity and resistance in the circuit.
6. How is the C1203 code fixed on a Cadillac?
Repairs may involve replacing the right front wheel speed sensor, repairing damaged wiring, or cleaning corroded connectors.
7. How much does it cost to fix the C1203 code on a Cadillac?
Repair costs can vary, but replacing a wheel speed sensor typically costs between $100 and $300, including parts and labor.
8. Can a dirty wheel speed sensor trigger the C1203 code?
Yes, dirt or debris on the sensor can interfere with its operation and cause the code to appear. Cleaning the sensor may resolve the issue.
9. Will clearing the C1203 code with a scanner fix the problem?
Clearing the code without addressing the underlying issue will only temporarily turn off the warning light, and the code is likely to return.
10. Does the C1203 code affect other systems in my Cadillac?
Yes, this code can disable the ABS and traction control systems, which may compromise vehicle safety in slippery conditions.
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