AutoCodes – Chrysler – U1147 Chrysler

U1147 Chrysler Code - Additional CAN Interior ECU Detected

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Totally Integrated Power Module (TIPM) detects an additional Controller Area Network (CAN) Interior Bus module and requires reprogramming. Common causes include Additional Module Added/Removed From the CAN Interior Bus Network, Faulty Totally Integrated Power Module (TIPM). 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: U1147 Chrysler indicates Additional CAN Interior ECU Detected.
Common causes: Common causes include Additional Module Added/Removed From the CAN Interior Bus Network, Faulty Totally Integrated Power Module (TIPM).
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.

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Code Popularity 4,776

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 24, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1147 Chrysler Description

The Diagnostic Trouble Code (DTC) sets when the Totally Integrated Power Module (TIPM) detects an additional Controller Area Network (CAN) Interior Bus module and requires reprogramming.

OBDII Code U1147 Chrysler - Additional CAN Interior ECU Detected - AutoCodes.com — U1147 Chrysler Code - Additional CAN Interior ECU Detected

What does this mean?

What are the Possible Causes of the DTC U1147 Chrysler?

Additional Module Added/Removed From the CAN Interior Bus Network
Faulty Totally Integrated Power Module (TIPM)

How to Fix the DTC U1147 Chrysler?

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 U1147 Chrysler 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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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 U1147 Chrysler Code

1. What are the common symptoms of OBDII code U1147 in a Chrysler vehicle?

- Common symptoms include illuminated check engine light, issues with interior electronic systems, and potential loss of communication with certain ECUs.

2. What does the OBDII code U1147 "Additional CAN Interior ECU Detected" mean in a Chrysler car?

- This code indicates that there is an extra interior Electronic Control Unit (ECU) detected on the Controller Area Network (CAN) bus that is not expected or recognized by the vehicle's system.

3. What are some possible causes of OBDII code U1147 in a Chrysler?

- Potential causes include faulty interior ECUs, wiring or communication network issues, software glitches, module programming errors, or aftermarket modifications affecting the CAN bus.

4. How can I diagnose the OBDII code U1147 in my Chrysler?

- Diagnosis typically involves using an OBDII scanner to read the code, checking for associated symptoms, inspecting interior ECUs, testing wiring connections, and verifying software updates.

5. Is it safe to drive my Chrysler with the U1147 trouble code present?

- It is generally not recommended to drive with unresolved U1147 code, as it may lead to further electrical issues, malfunctioning interior systems, or potential safety hazards.

6. Can I reset the U1147 trouble code on my Chrysler, and will it fix the problem?

- While you can reset the code using an OBDII scanner, it is crucial to address the root cause of the issue to prevent the code from reoccurring. Resetting the code without fixing the underlying problem may only provide a temporary solution.

7. Are there any DIY repair tips for resolving the U1147 code in a Chrysler?

- DIY repair options may include checking and securing wiring connections, inspecting interior ECUs for faults, ensuring proper module programming, and verifying the compatibility of any aftermarket electronic modifications.

8. How much does it typically cost to repair the U1147 code in a Chrysler?

- Repair costs can vary depending on the specific cause of the issue, the need for part replacements, labor charges, and dealership or repair shop rates. It is recommended to obtain multiple quotes for an accurate estimate.

9. Can the U1147 code be a false alarm in a Chrysler vehicle?

- While rare, false triggers of the U1147 code can occur due to temporary communication glitches or software malfunctions. It is advisable to diagnose the issue thoroughly to confirm whether it is a genuine fault or a false alarm.

10. What are the implications of ignoring the U1147 trouble code in a Chrysler?

- Ignoring the U1147 code can lead to potential malfunctions in interior electronic systems, increased risk of electrical failures, compromised vehicle safety features, and may result in more severe and costly repairs over time.