AutoCodes – Jeep – C1085 Jeep

C1085 Jeep Code - Vacuum Pressure Sensor High

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Vacuum Pressure Sensor. Common causes include Faulty Vacuum Pressure Sensor, Vacuum Pressure Sensor harness is open or shorted, Vacuum 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
C1085 Jeep indicates Vacuum Pressure Sensor High.
Common causes
Common causes include Faulty Vacuum Pressure Sensor, Vacuum Pressure Sensor harness is open or shorted, Vacuum 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 918
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 10, 2020
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Code C1085 Jeep Description

The Anti-Lock Brake System (ABS) Module monitors the Vacuum Pressure Sensor. The ABS Module sets the OBDII code when the Vacuum Pressure Sensor is not to factory specifications.
OBDII Code C1085 Jeep - Vacuum Pressure Sensor High - AutoCodes.com
C1085 Jeep Code - Vacuum Pressure Sensor High

What are the Possible Causes of the DTC C1085 Jeep?

  • Faulty Vacuum Pressure Sensor
  • Vacuum Pressure Sensor harness is open or shorted
  • Vacuum Pressure Sensor circuit poor electrical connection
  • Faulty Anti-Lock Brake System (ABS) Module

How to Fix the DTC C1085 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 C1085 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 C1085 Jeep code?

Need more information on how to fix the C1085 Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1085 Jeep code diagnosed by a professional: Find a repair shop in your area

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 C1085 Jeep Code

1. What are the common symptoms of OBDII code C1085 in a Jeep related to the Vacuum Pressure Sensor High?

The common symptoms include rough idling, poor fuel efficiency, engine hesitation, and in some cases, the Check Engine Light may illuminate.

2. What can cause the OBDII code C1085 Vacuum Pressure Sensor High in a Jeep?

The code C1085 in a Jeep can be triggered by issues such as a faulty vacuum pressure sensor, a vacuum leak in the system, or a problem with the sensor's wiring or connectors.

3. How serious is the OBDII code C1085 Vacuum Pressure Sensor High in a Jeep?

While the vehicle may still be operable with this code, it is important to address it promptly to prevent potential damage to the engine or other components over time.

4. Can I continue driving my Jeep with the OBDII code C1085 present?

It is not recommended to drive the vehicle for an extended period with this code present, as it can lead to decreased performance and potential long-term damage if left unresolved.

5. How can I diagnose the OBDII code C1085 in my Jeep?

Diagnosing the code typically involves using an OBDII scanner to retrieve the specific fault code, checking the vacuum pressure sensor and related components for any visible issues, and testing the sensor's functionality.

6. Is it possible to repair the OBDII code C1085 Vacuum Pressure Sensor High in a Jeep myself?

Depending on your experience and access to tools, you may be able to address the issue yourself by replacing the vacuum pressure sensor, fixing any vacuum leaks, or repairing the wiring/connectors. However, it is recommended to consult a professional if you are unsure.

7. Will resetting the Check Engine Light resolve the OBDII code C1085 in my Jeep?

Resetting the Check Engine Light may temporarily clear the code, but it will likely reappear if the underlying issue causing the code is not addressed.

8. How much does it typically cost to repair the OBDII code C1085 Vacuum Pressure Sensor High in a Jeep?

The cost of repairing this code can vary depending on the specific cause of the issue, but it may involve expenses such as parts replacement, labor costs, and diagnostic fees.

9. Can a bad vacuum pressure sensor cause other problems in my Jeep?

Yes, a faulty vacuum pressure sensor can lead to various performance issues in the vehicle, including rough idling, poor acceleration, and decreased fuel efficiency.

10. How long does it usually take to repair the OBDII code C1085 Vacuum Pressure Sensor High in a Jeep?

The repair time can vary depending on the exact cause of the issue and the complexity of the repair, but it generally takes a few hours to a full day to address this code effectively.

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