AutoCodes – Jeep – U148C Jeep

U148C Jeep Code - Implausible Data Received From Stop/Start Button

Quick Answer

The Diagnostic Trouble Code (DTC) will set when the Powertrain Control Module (PCM) receives a Stop/Start Off/On button pressed signal for more than five continuous minutes. Common causes include Faulty Switch Bank Module, Switch Bank Module harness is open or shorted, Switch Bank Module 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: U148C Jeep indicates Implausible Data Received From Stop/Start Button.
Common causes: Common causes include Faulty Switch Bank Module, Switch Bank Module harness is open or shorted, Switch Bank Module 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.

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Code Popularity 765

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 May 31, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U148C Jeep Description

The Diagnostic Trouble Code (DTC) will set when the Powertrain Control Module (PCM) receives a Stop/Start Off/On button pressed signal for more than five continuous minutes.

OBDII Code U148C Jeep - Implausible Data Received From Stop/Start Button - AutoCodes.com — U148C Jeep Code - Implausible Data Received From Stop/Start Button

What does this mean?

What are the Possible Causes of the DTC U148C Jeep?

Faulty Switch Bank Module
Switch Bank Module harness is open or shorted
Switch Bank Module circuit poor electrical connection

How to Fix the DTC U148C 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 U148C 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.

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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 U148C Jeep Code

1. What are the common symptoms of OBDII code U148C in a Jeep related to "Implausible Data Received From Stop/Start Button"?

- Common symptoms include the stop/start system not functioning properly, the vehicle not starting, and warning lights on the dashboard.

2. What could cause the OBDII code U148C to be triggered in a Jeep?

- The code may be triggered by a faulty stop/start button, a wiring issue, or a communication problem within the vehicle's system.

3. How can I diagnose the cause of the U148C code in my Jeep?

- Diagnosing the U148C code typically involves checking the stop/start button functionality, inspecting the wiring for damage, and using a diagnostic scanner to pinpoint the issue.

4. Is it safe to continue driving my Jeep with the U148C code present?

- It is not recommended to drive the vehicle with the U148C code active, as it may indicate a potential issue with the stop/start system that could affect the vehicle's operation.

5. Can I repair the U148C code in my Jeep on my own?

- Depending on the cause of the code, you may be able to repair it on your own by checking the stop/start button, inspecting the wiring, and resetting the system using a diagnostic tool.

6. How much does it typically cost to fix the U148C code in a Jeep?

- The cost of fixing the U148C code can vary depending on the underlying issue, but it may involve replacing the stop/start button, repairing wiring, or addressing communication problems, which could range from a few hundred to over a thousand dollars.

7. Will resetting the OBDII code U148C in my Jeep make it go away permanently?

- Resetting the code may temporarily remove the warning light, but if the underlying issue with the stop/start system is not addressed, the code is likely to reappear.

8. Can a low battery or voltage issue trigger the U148C code in a Jeep?

- Yes, a low battery or voltage issue can sometimes trigger the U148C code in a Jeep, as it may disrupt the communication between the stop/start button and the vehicle's system.

9. Is the OBDII code U148C specific to certain Jeep models or applicable to various models?

- The U148C code related to "Implausible Data Received From Stop/Start Button" is specific to Jeep vehicles equipped with a stop/start system and may vary in its application across different models.

10. Are there any recalls or technical service bulletins related to the U148C code in Jeep vehicles?

- It's recommended to check with a certified Jeep dealership or refer to online resources to see if there are any recalls or technical service bulletins related to the U148C code in your specific Jeep model.