AutoCodes – Jeep – C1011 Jeep

C1011 Jeep Code - Left Front Wheel Speed Sensor Signal Erratic Performance

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Left Front Wheel Speed Sensor. Common causes include Tire air pressure mismatch, Faulty Left Front Wheel Speed Sensor, Left Front 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
C1011 Jeep indicates Left Front Wheel Speed Sensor Signal Erratic Performance.
Common causes
Common causes include Tire air pressure mismatch, Faulty Left Front Wheel Speed Sensor, Left Front 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 11,144
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 03, 2020
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Code C1011 Jeep Description

The Anti-Lock Brake System (ABS) Module monitors the Left Front Wheel Speed Sensor. The ABS Module sets the OBDII code when the Left Front Wheel Speed Sensor (WSS) Signal is intermittently missing while vehicle speed is above 25 mph (40 km/h) or erratic wheel speed signal during acceleration or sensed wheel speed is different from other wheels.
OBDII Code C1011 Jeep - Left Front Wheel Speed Sensor Signal Erratic Performance - AutoCodes.com
C1011 Jeep Code - Left Front Wheel Speed Sensor Signal Erratic Performance

What are the Possible Causes of the DTC C1011 Jeep?

  • Tire air pressure mismatch
  • Faulty Left Front Wheel Speed Sensor
  • Left Front Wheel Speed Sensor harness is open or shorted
  • Left Front Wheel Speed Sensor circuit poor electrical connection
  • Faulty Anti-Lock Brake System (ABS) Module

How to Fix the DTC C1011 Jeep?

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 C1011 Jeep 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.

Need more information about the C1011 Jeep code?

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Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1011 Jeep Code

1. What are the common symptoms of OBDII code C1011 in a Jeep related to the left front wheel speed sensor signal erratic performance?

- Common symptoms include the ABS light coming on, traction control system malfunctions, and potential loss of stability control.

2. What are the possible causes of OBDII code C1011 in a Jeep indicating erratic performance of the left front wheel speed sensor signal?

- Possible causes may include a faulty wheel speed sensor, damaged wiring or connectors, or issues with the ABS module.

3. How can I diagnose the OBDII code C1011 in my Jeep for the left front wheel speed sensor signal erratic performance?

- Diagnosis typically involves using a scan tool to read the fault codes, checking the wiring and connections to the left front wheel speed sensor, and testing the sensor's functionality.

4. Can I continue driving my Jeep with OBDII code C1011 indicating erratic performance of the left front wheel speed sensor signal?

- It is not recommended to drive the vehicle with this code present, as it may lead to safety issues and compromised braking performance.

5. What repair tips can help fix OBDII code C1011 in a Jeep related to the left front wheel speed sensor signal erratic performance?

- Repair tips may include replacing the left front wheel speed sensor, repairing or replacing damaged wiring, and resetting the ABS system after making repairs.

6. How much does it typically cost to repair OBDII code C1011 in a Jeep caused by erratic performance of the left front wheel speed sensor signal?

- The cost can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

7. Are there any DIY solutions for addressing OBDII code C1011 in a Jeep associated with the left front wheel speed sensor signal erratic performance?

- DIY solutions may include checking and cleaning the sensor connectors, inspecting the wiring for damage, and replacing the sensor if needed.

8. Can extreme weather conditions affect the occurrence of OBDII code C1011 in a Jeep due to erratic performance of the left front wheel speed sensor signal?

- Yes, extreme weather conditions such as heavy rain, snow, or extreme temperatures can potentially affect the sensor's performance and trigger this code.

9. Is it necessary to clear the OBDII code C1011 in a Jeep after fixing the issue with the left front wheel speed sensor signal?

- Yes, it is recommended to clear the code after making repairs to ensure the ABS system resets properly and the issue is resolved.

10. How can I prevent OBDII code C1011 from reoccurring in my Jeep after repairing the left front wheel speed sensor signal erratic performance?

- Regularly inspecting and maintaining the wheel speed sensors, keeping the connectors clean and secure, and driving cautiously to avoid damage to the sensors can help prevent this code from reoccurring.

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