AutoCodes – Chrysler – U1148 Chrysler

U1148 Chrysler Code - Additional CAN-C ECU Detected

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Totally Integrated Power Module (TIPM) detects an additional Controller Area Network (CAN) C 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: U1148 Chrysler indicates Additional CAN-C 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 1,985

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 U1148 Chrysler Description

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

OBDII Code U1148 Chrysler - Additional CAN-C ECU Detected - AutoCodes.com — U1148 Chrysler Code - Additional CAN-C ECU Detected

What does this mean?

What are the Possible Causes of the DTC U1148 Chrysler?

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

How to Fix the DTC U1148 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 U1148 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 U1148 Chrysler Code

1. What does the OBDII code U1148 Chrysler mean?

The code U1148 Chrysler indicates that an Additional CAN-C ECU has been detected.

2. What are the common symptoms of the U1148 Chrysler code?

Common symptoms of the U1148 code may include issues with the vehicle's communication systems, such as the inability to start, loss of power steering, or problems with the transmission.

3. What are the potential causes of the U1148 Chrysler code?

Potential causes of the U1148 code include faulty wiring or connections in the CAN-C network, a malfunctioning ECU, or issues with the vehicle's communication modules.

4. How do I diagnose the U1148 Chrysler code?

Diagnosing the U1148 code typically involves using an OBDII scanner to retrieve the code, checking for any other related codes, inspecting the CAN-C network wiring and connections, and testing the ECUs and communication modules.

5. How can I repair the U1148 Chrysler code?

Repairing the U1148 code may involve repairing or replacing faulty wiring or connections in the CAN-C network, replacing a malfunctioning ECU, or addressing any issues with the communication modules.

6. Can the U1148 Chrysler code be fixed at home?

Depending on the specific cause of the U1148 code, some DIY enthusiasts with the necessary tools and knowledge may be able to address the issue at home. However, complex wiring or ECU issues may require professional assistance.

7. Is it safe to drive with the U1148 Chrysler code present?

It is not recommended to drive the vehicle with the U1148 code present, as it may lead to further communication system malfunctions and potentially compromise the safety and performance of the vehicle.

8. How much does it typically cost to repair the U1148 Chrysler code?

The cost of repairing the U1148 code can vary depending on the specific cause of the issue, the extent of the repairs needed, and labor rates. It is advisable to obtain quotes from reputable mechanics or dealerships.

9. Can resetting the OBDII system clear the U1148 Chrysler code?

Resetting the OBDII system may temporarily clear the U1148 code, but if the underlying issue is not addressed, the code is likely to reappear. It is best to diagnose and repair the root cause of the problem.

10. How common is the U1148 Chrysler code in Chrysler vehicles?

The U1148 code is relatively uncommon but can occur in Chrysler vehicles with CAN-C communication network issues. Proper diagnosis and repair are essential to resolve this code effectively.