AutoCodes – RAM – U148C RAM

U148C RAM 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 RAM 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 456

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

What does this mean?

What are the Possible Causes of the DTC U148C RAM?

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 RAM?

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 RAM 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 RAM Code

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

- Common symptoms include intermittent or permanent issues with the stop/start button functionality, as well as errors displayed on the vehicle's dashboard.

2. What are the possible causes of OBDII code U148C RAM?

- The code U148C RAM can be caused by a faulty stop/start button, wiring issues, software glitches in the vehicle's system, or a malfunctioning control module.

3. How can I diagnose the cause of OBDII code U148C RAM?

- Diagnosis typically involves inspecting the stop/start button for physical damage, checking the wiring for any loose connections or damage, and using a diagnostic scan tool to read the code and gather more information.

4. Can I still drive my vehicle with OBDII code U148C RAM?

- It is generally safe to drive the vehicle when this code is present, but it is recommended to have the issue diagnosed and repaired as soon as possible to prevent further problems.

5. How can I repair OBDII code U148C RAM related to Implausible Data Received From Stop/Start Button?

- Repair options may include replacing the stop/start button, repairing any damaged wiring, updating the vehicle's software, or resetting the control module.

6. Is OBDII code U148C RAM a serious issue?

- While this code may not directly affect the drivability of the vehicle, it should be addressed promptly to ensure that the stop/start system functions correctly and to prevent any potential related issues.

7. Can resetting the vehicle's computer clear OBDII code U148C RAM?

- Resetting the computer may temporarily clear the code, but it is important to diagnose and address the underlying issue to prevent the code from reappearing.

8. How much does it typically cost to repair OBDII code U148C RAM?

- The cost of repair can vary depending on the specific cause of the code and the required repairs. It is recommended to consult with a mechanic for an accurate estimate.

9. Are there any DIY fixes for OBDII code U148C RAM?

- DIY fixes for this code may include checking the stop/start button and wiring for visible damage, but more complex repairs may require professional assistance.

10. Will OBDII code U148C RAM cause my vehicle to fail an emissions test?

- The presence of this code itself may not cause the vehicle to fail an emissions test, but it is still important to address and resolve the issue to ensure the proper functioning of the vehicle's systems.