AutoCodes – RAM – U147D RAM

U147D RAM Code - Implausible Data Received From Right Blind Spot Sensor

Quick Answer

The Blind Spot Monitor (BSM) system has two primary components; a Left Blind Spot Sensor (LBSS) and Right Blind Spot Sensor (RBSS). Common causes include Faulty Right Blind Spot Sensor (RBSS), Right Blind Spot Sensor harness is open or shorted, Right Blind Spot 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
U147D RAM indicates Implausible Data Received From Right Blind Spot Sensor.
Common causes
Common causes include Faulty Right Blind Spot Sensor (RBSS), Right Blind Spot Sensor harness is open or shorted, Right Blind Spot 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.
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Code Popularity 456
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 25, 2020
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Code U147D RAM Description

The Blind Spot Monitor (BSM) system has two primary components; a Left Blind Spot Sensor (LBSS) and Right Blind Spot Sensor (RBSS). Each sensor includes an internal microprocessor that monitors and controls both the sensor and the blind spot indicator. The two sensors are concealed behind the outboard ends of the rear bumper fascia.
The microprocessor analyzes the sensor data to determine whether any detected objects should be reported. When it is determined that an object should be reported, the Sensor controls its respective left or right BSM display directly through a hard-wired output to the Outside Rearview Mirrors. The sensor also sends an electronic request message over the CAN Bus to the radio. The Radio then mutes any current output through the speakers and generates a chime as an audible alert.
Each sensor performs a bulb test by illuminating the triangle icon in the Outside Rearview Mirror at each ignition ON cycle.
The Diagnostic Trouble Code (DTC) will set if incorrect data received from the Right Blind Spot Sensor (RBSS).
OBDII Code U147D RAM - Implausible Data Received From Right Blind Spot Sensor - AutoCodes.com
U147D RAM Code - Implausible Data Received From Right Blind Spot Sensor

What are the Possible Causes of the DTC U147D RAM?

  • Faulty Right Blind Spot Sensor (RBSS)
  • Right Blind Spot Sensor harness is open or shorted
  • Right Blind Spot Sensor circuit poor electrical connection

How to Fix the DTC U147D 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 U147D 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 U147D RAM Code

1. What are the common symptoms of OBDII code U147D?

The common symptoms of OBDII code U147D include malfunctioning or disabled right blind spot detection system, warning lights on the dashboard, and potential issues with the vehicle's safety features.

2. What causes the OBDII code U147D to trigger?

The U147D code is triggered when the right blind spot sensor sends implausible data to the vehicle's computer system. This can be caused by sensor malfunctions, wiring issues, or electronic component failures.

3. How do I diagnose the U147D code related to the right blind spot sensor?

To diagnose the U147D code, you can use a diagnostic scanner to read the code, inspect the right blind spot sensor and its wiring for any visible damage, and perform a reset of the sensor system to see if the issue resolves.

4. Can I still drive my vehicle with the U147D code present?

While it is possible to drive the vehicle with the U147D code present, it is not recommended as it can compromise the functionality of the right blind spot detection system, leading to potential safety hazards.

5. How do I repair the U147D code related to the right blind spot sensor?

Repairing the U147D code involves fixing the underlying issue causing the implausible data transmission from the right blind spot sensor. This may include replacing the sensor, repairing damaged wiring, or addressing any electronic component failures.

6. Will the U147D code reset on its own after repairs are made?

After making the necessary repairs to address the U147D code, you may need to clear the code using a diagnostic scanner to reset the system. If the issue is successfully resolved, the code should not reappear.

7. Can extreme weather conditions affect the right blind spot sensor and trigger the U147D code?

Yes, extreme weather conditions such as heavy rain, snow, or extreme temperatures can potentially affect the operation of the right blind spot sensor and lead to the triggering of the U147D code.

8. Is it possible to prevent the U147D code from occurring in the future?

Regular maintenance of the vehicle's blind spot detection system, including checking for any sensor issues or wiring damage, can help prevent the U147D code from occurring in the future.

9. How long does it typically take to repair the U147D code issue?

The time it takes to repair the U147D code related to the right blind spot sensor can vary depending on the extent of the issue. It may take anywhere from a few hours to a full day to diagnose and repair the problem.

10. Should I seek professional help to address the U147D code, or can I fix it myself?

Given the complexity of modern vehicle electronics, it is recommended to seek professional help from a certified mechanic or technician to diagnose and repair the U147D code related to the right blind spot sensor.

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