AutoCodes – Jeep – P1189 Jeep

P1189 Jeep Code - Throttle Inlet Pressure Sensor Low

Quick Answer

The Powertrain Control Module (PCM) monitors the Throttle Inlet Pressure (TIP) Sensor. Common causes include Faulty Throttle Inlet Pressure (TIP) Sensor, Throttle Inlet Pressure Sensor harness is open or shorted, Throttle Inlet 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: P1189 Jeep indicates Throttle Inlet Pressure Sensor Low.
Common causes: Common causes include Faulty Throttle Inlet Pressure (TIP) Sensor, Throttle Inlet Pressure Sensor harness is open or shorted, Throttle Inlet 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 14,336

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 21, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1189 Jeep Description

The Powertrain Control Module (PCM) monitors the Throttle Inlet Pressure (TIP) Sensor. The PCM sets the Diagnostic Trouble Code (DTC) when it detects a low signal from the Throttle Inlet Pressure Sensor.

OBDII Code P1189 Jeep - Throttle Inlet Pressure Sensor Low - AutoCodes.com — P1189 Jeep Code - Throttle Inlet Pressure Sensor Low

What does this mean?

What are the Possible Causes of the DTC P1189 Jeep?

Faulty Throttle Inlet Pressure (TIP) Sensor
Throttle Inlet Pressure Sensor harness is open or shorted
Throttle Inlet Pressure Sensor circuit poor electrical connection

How to Fix the DTC P1189 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 P1189 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 P1189 Jeep code?

Need more information on how to fix the P1189 Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1189 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 P1189 Jeep Code

1. What are the common symptoms of OBDII code P1189 in a Jeep related to the Throttle Inlet Pressure Sensor Low?

- Common symptoms include rough idling, reduced engine power, and potential stalling while driving.

2. What are the possible causes of the OBDII code P1189 in a Jeep indicating Throttle Inlet Pressure Sensor Low?

- The code can be triggered by a faulty throttle inlet pressure sensor, vacuum leaks, clogged air filters, or issues with the intake system.

3. How can I diagnose the OBDII code P1189 in my Jeep for the Throttle Inlet Pressure Sensor Low issue?

- Use a diagnostic scanner to retrieve the fault code and inspect the throttle inlet pressure sensor, vacuum lines, and air intake components for any visible damage or wear.

4. Can a dirty air filter cause the OBDII code P1189 in a Jeep related to the Throttle Inlet Pressure Sensor Low?

- Yes, a clogged or dirty air filter can restrict airflow to the engine, leading to incorrect sensor readings and triggering the P1189 code.

5. What are some repair tips for fixing the OBDII code P1189 in a Jeep associated with Throttle Inlet Pressure Sensor Low?

- Start by checking and replacing the air filter if necessary, inspecting and cleaning the throttle inlet pressure sensor, and ensuring there are no vacuum leaks in the system.

6. Is it safe to continue driving my Jeep with the OBDII code P1189 indicating Throttle Inlet Pressure Sensor Low?

- It is not recommended to drive the vehicle with this issue as it can lead to poor engine performance, potential stalling, and further damage to engine components.

7. Can I reset the OBDII code P1189 in my Jeep without fixing the underlying Throttle Inlet Pressure Sensor Low problem?

- While you can clear the code temporarily, the issue will likely persist until the root cause is addressed, and the check engine light may reappear.

8. How much does it typically cost to repair the OBDII code P1189 in a Jeep related to Throttle Inlet Pressure Sensor Low?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the throttle inlet pressure sensor, cleaning components, or fixing vacuum leaks, with costs ranging from $100 to $500.

9. Can I fix the OBDII code P1189 in my Jeep indicating Throttle Inlet Pressure Sensor Low myself, or should I seek professional help?

- If you have experience with automotive repairs and diagnostics, you may be able to address the issue yourself by following repair guides. Otherwise, it's recommended to consult a professional mechanic for accurate diagnosis and repair.

10. Will fixing the OBDII code P1189 in my Jeep related to Throttle Inlet Pressure Sensor Low improve fuel efficiency and overall performance?

- Yes, resolving the P1189 code and addressing the underlying issue can lead to improved fuel efficiency, smoother engine operation, and better overall vehicle performance.