C0711 Cadillac Code - Level Control Air Pressure Sensor Malfunction Signal Invalid
Quick Answer
The Automatic Level Control (ALC) pressure sensor sends a voltage signal to the Electronic Suspension Control Module (ESCM) that corresponds to a pressure within the range of 30-180 psi. Common causes include Faulty Level Control Air Pressure Sensor, Level Control Air Pressure Sensor harness is open or shorted, Level Control Air Pressure 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
- C0711 Cadillac indicates Level Control Air Pressure Sensor Malfunction Signal Invalid.
- Common causes
- Common causes include Faulty Level Control Air Pressure Sensor, Level Control Air Pressure Sensor harness is open or shorted, Level Control Air Pressure 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 C0711 Cadillac Description
What are the Possible Causes of the DTC C0711 Cadillac?
- Faulty Level Control Air Pressure Sensor
- Level Control Air Pressure Sensor harness is open or shorted
- Level Control Air Pressure Sensor circuit poor electrical connection
How to Fix the DTC C0711 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 C0711 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.
Need more information about the C0711 Cadillac code?
Need more information on how to fix the C0711 Cadillac code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C0711 Cadillac code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about C0711 Cadillac Code
1. What does the OBDII code C0711 mean for a Cadillac?
The code C0711 indicates a "Level Control Air Pressure Sensor Malfunction Signal Invalid," meaning the air pressure sensor in the suspension system is not sending proper signals to the control module.
2. What are the common symptoms of code C0711 in a Cadillac?
Symptoms may include a sagging or uneven suspension, a “Service Suspension System†warning on the dashboard, or unusual noises from the air compressor.
3. What causes the C0711 code to activate?
Common causes include a faulty air pressure sensor, wiring issues such as damaged or corroded connectors, or a malfunctioning suspension control module.
4. Can a bad air compressor trigger the C0711 code?
Yes, a failing air compressor can indirectly cause the code if it leads to incorrect air pressure readings or system underperformance.
5. How do I diagnose the C0711 code?
Start by inspecting the air pressure sensor and its wiring for damage or corrosion. Use a scan tool to check live data and verify if the sensor readings are within the expected range.
6. Is it safe to drive a Cadillac with the C0711 code?
It may be safe to drive short distances, but prolonged driving can cause further suspension issues and uneven tire wear, so repairs should be made promptly.
7. How do you fix the C0711 code on a Cadillac?
Repairs may include replacing the air pressure sensor, repairing or replacing damaged wiring, or recalibrating the suspension control module.
8. Can I clear the C0711 code without fixing the issue?
Clearing the code without addressing the root cause may temporarily turn off the warning light, but the problem is likely to return and could worsen over time.
9. How much does it cost to repair the C0711 code?
Repair costs vary but typically range from $100 to $500, depending on whether the issue is with the sensor, wiring, or other components.
10. Can low air pressure in the suspension cause the C0711 code?
Yes, low air pressure may lead to incorrect sensor readings, which could trigger the code. However, the root problem is often a malfunctioning sensor or related wiring.
Discuss the causes and fixes for C0711 Cadillac OBDII Code
Code C0711 Cadillac comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
