C1208 Cadillac Code - Left Rear Wheel Speed Sensor Input Signal Equals Zero
Quick Answer
As the wheel is rotated, the speed sensor produces an AC voltage that increases with wheel speed. Common causes include Faulty Left Rear Wheel Speed Sensor, Left Rear Wheel Speed Sensor harness is open or shorted, Left Rear 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
- C1208 Cadillac indicates Left Rear Wheel Speed Sensor Input Signal Equals Zero.
- Common causes
- Common causes include Faulty Left Rear Wheel Speed Sensor, Left Rear Wheel Speed Sensor harness is open or shorted, Left Rear 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 C1208 Cadillac Description
What are the Possible Causes of the DTC C1208 Cadillac?
- Faulty Left Rear Wheel Speed Sensor
- Left Rear Wheel Speed Sensor harness is open or shorted
- Left Rear Wheel Speed Sensor circuit poor electrical connection
- Faulty Electronic Brake Control Module (EBCM)
How to Fix the DTC C1208 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 C1208 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 C1208 Cadillac Code
1. What does the OBDII code C1208 mean on a Cadillac?
The C1208 code indicates an issue with the left rear wheel speed sensor, specifically that its input signal is reading as zero.
2. What are the common symptoms of the C1208 code?
Symptoms may include the ABS light or traction control light turning on, reduced ABS or traction control functionality, and erratic braking behavior.
3. What causes the C1208 code to appear?
The most common causes are a faulty left rear wheel speed sensor, damaged wiring or connectors, a malfunctioning ABS module, or debris interfering with the sensor or reluctor ring.
4. How can I diagnose the C1208 code?
Start by inspecting the left rear wheel speed sensor and its wiring for damage. Use a scan tool to monitor live data from the sensor and check for a signal. Perform resistance and continuity tests if needed.
5. Can I still drive my Cadillac with the C1208 code?
While the vehicle may still be drivable, ABS and traction control systems may not function properly, which could compromise safety in slippery conditions.
6. How do I fix the C1208 code on a Cadillac?
Repairs may involve replacing the left rear wheel speed sensor, repairing damaged wiring, cleaning the reluctor ring, or addressing a faulty ABS module if necessary.
7. How much does it cost to repair the C1208 code?
Replacing a wheel speed sensor typically costs between $150 and $300, including parts and labor. Wiring or ABS module repairs may cost more.
8. Can a dirty reluctor ring cause the C1208 code?
Yes, debris or buildup on the reluctor ring can block the sensor from reading the wheel speed properly, causing the code to appear.
9. Will clearing the C1208 code fix the problem?
Clearing the code with a scan tool will only temporarily remove it. The underlying issue must be diagnosed and repaired to prevent the code from returning.
10. Can a bad wheel bearing trigger the C1208 code?
Yes, a worn or loose wheel bearing can cause improper sensor alignment or disrupt the signal, leading to the C1208 code.
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