AutoCodes – Generic – B129D

B129D Code - Right Front Side Sensor Circuit Short To Ground Or Open

Quick Answer

The Parking Aid Module (PAM) monitors the Right Front Side Sensor. Common causes include Faulty Right Front Side Sensor, Right Front Side Sensor harness is open or shorted, Right Front Side Sensor circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: B129D indicates Right Front Side Sensor Circuit Short To Ground Or Open.
Common causes: Common causes include Faulty Right Front Side Sensor, Right Front Side Sensor harness is open or shorted, Right Front Side Sensor circuit poor electrical connection.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 3,091

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 29, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B129D Description

The Parking Aid Module (PAM) monitors the Right Front Side Sensor. A continuous and on-demand Diagnostic Trouble Code (DTC) that sets when any of the right front active park assist sensor circuits are open or the sensor signal line is shorted to ground.

OBDII Code B129D - Right Front Side Sensor Circuit Short To Ground Or Open - AutoCodes.com — B129D Code - Right Front Side Sensor Circuit Short To Ground Or Open

What does this mean?

What are the Possible Causes of the DTC B129D?

Faulty Right Front Side Sensor
Right Front Side Sensor harness is open or shorted
Right Front Side Sensor circuit poor electrical connection
Faulty Parking Aid Module (PAM)

How to Fix the DTC B129D?

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 B129D 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.

Need more information about the B129D code?

Need more information on how to fix the B129D code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B129D code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B129D Chrysler — Right Blind Spot Sensor Alignment Or Adjustment Incorrect
B129D Dodge — Right Blind Spot Sensor Alignment Or Adjustment Incorrect
B129D Ford — Right Front Side Sensor Circuit Short To Ground Or Open
B129D Jeep — Right Blind Spot Sensor Alignment Or Adjustment Incorrect
B129D Lincoln — Right Front Side Sensor Circuit Short To Ground Or Open
B129D Mercury — Right Front Side Sensor Circuit Short To Ground Or Open
B129D RAM — Right Blind Spot Sensor Alignment Or Adjustment Incorrect

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 B129D Code

1. What are the common symptoms of OBDII code B129D?

- Common symptoms include issues with the right front side sensor, such as inaccurate readings or a complete failure of the sensor.

2. What could cause the Right Front Side Sensor Circuit to short to ground or open?

- The most common causes are damaged wiring, a faulty sensor, or a poor connection in the circuit.

3. How can I diagnose the issue related to code B129D?

- To diagnose the problem, you can use a multimeter to check for continuity in the sensor circuit and inspect the wiring for any visible damage.

4. Is it safe to continue driving with OBDII code B129D?

- It is not recommended to continue driving with this code as it can affect the proper functioning of safety systems that rely on the sensor data.

5. Can I repair the Right Front Side Sensor Circuit issue myself?

- Depending on your automotive repair skills, you may be able to repair the issue yourself by identifying and fixing any damaged wiring or replacing the faulty sensor.

6. How much does it typically cost to repair OBDII code B129D?

- The cost of repair can vary depending on the extent of the damage and whether you choose to do the repair yourself or take your vehicle to a professional mechanic.

7. Will resetting the OBDII code B129D make the problem go away?

- Simply resetting the code will not fix the underlying issue causing the Right Front Side Sensor Circuit problem. It is important to diagnose and address the root cause of the code.

8. Can extreme weather conditions cause OBDII code B129D to trigger?

- Extreme weather conditions, such as excessive heat or moisture, can potentially contribute to sensor circuit issues, but the primary causes are usually related to wiring or sensor failures.

9. How long does it take to repair the Right Front Side Sensor Circuit issue?

- The repair time can vary based on the complexity of the problem, but it typically takes a few hours to diagnose and fix the circuit issue.

10. Will a disconnected or faulty right front side sensor affect other vehicle systems?

- Yes, a disconnected or faulty sensor can impact other systems like ABS, stability control, and collision avoidance features that rely on the sensor data for proper operation.