AutoCodes – Chrysler – B2126 Chrysler

B2126 Chrysler Code - Sensor Supply Voltage Low

Quick Answer

The Park Assist Module monitors the Sensor Supply Voltage. Common causes include Faulty Park Assist Sensor, Park Assist Sensor harness is open or shorted, Park Assist 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: B2126 Chrysler indicates Sensor Supply Voltage Low.
Common causes: Common causes include Faulty Park Assist Sensor, Park Assist Sensor harness is open or shorted, Park Assist 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 1,742

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 Sep 19, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2126 Chrysler Description

The Park Assist Module monitors the Sensor Supply Voltage. The Park Assist Module will set the OBDII code when the Park Assist Sensor supply voltage less than 7.2 volts.

OBDII Code B2126 Chrysler - Sensor Supply Voltage Low - AutoCodes.com — B2126 Chrysler Code - Sensor Supply Voltage Low

What does this mean?

What are the Possible Causes of the DTC B2126 Chrysler?

Faulty Park Assist Sensor
Park Assist Sensor harness is open or shorted
Park Assist Sensor circuit poor electrical connection
Faulty Park Assist Module

How to Fix the DTC B2126 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 B2126 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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Need Help with the Code?

Get the B2126 Chrysler code diagnosed by a professional: Find a repair shop in your area

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 B2126 Chrysler Code

1. What are the common symptoms of OBDII code B2126 (Chrysler) - Sensor Supply Voltage Low?

The common symptoms of this code may include issues with the vehicle's fuel economy, engine performance, and overall drivability.

2. What are the possible causes of OBDII code B2126 (Chrysler) - Sensor Supply Voltage Low?

Possible causes of this code can include a faulty sensor, damaged wiring or connectors, a failing power supply, or issues with the vehicle's electronic control module.

3. How can I diagnose the source of OBDII code B2126 (Chrysler) - Sensor Supply Voltage Low?

To diagnose this code, it is recommended to use a diagnostic scanner to retrieve the code, inspect the sensor and related wiring for any visible damage, and test the power supply to the sensor.

4. What are some repair tips for fixing OBDII code B2126 (Chrysler) - Sensor Supply Voltage Low?

Repair tips may include replacing the faulty sensor, repairing any damaged wiring or connectors, ensuring a stable power supply to the sensor, and clearing the code from the vehicle's system.

5. Can OBDII code B2126 (Chrysler) - Sensor Supply Voltage Low be fixed at home?

Depending on the underlying cause, some DIY enthusiasts may be able to address this code at home if they have the necessary tools and knowledge. However, seeking professional help is recommended for accurate diagnosis and repair.

6. Is it safe to continue driving with OBDII code B2126 (Chrysler) - Sensor Supply Voltage Low?

Continuing to drive with this code present can potentially cause further damage to the vehicle and may lead to decreased performance or safety issues. It is advisable to address the underlying problem as soon as possible.

7. Will OBDII code B2126 (Chrysler) - Sensor Supply Voltage Low cause my vehicle to fail an emissions test?

Yes, this code can affect the emissions output of your vehicle, potentially leading to a failed emissions test. It is important to address the issue promptly to ensure your vehicle meets emissions standards.

8. How much does it typically cost to fix OBDII code B2126 (Chrysler) - Sensor Supply Voltage Low?

The cost of fixing this code can vary depending on the actual cause of the issue, the labor rates in your area, and whether you choose to address the problem yourself or go to a professional mechanic.

9. Can a low battery voltage trigger OBDII code B2126 (Chrysler) - Sensor Supply Voltage Low?

Yes, a low battery voltage can sometimes trigger this code due to insufficient power reaching the sensor. Ensuring your vehicle's battery is in good condition can help prevent such issues.

10. How can I prevent OBDII code B2126 (Chrysler) - Sensor Supply Voltage Low from occurring in the future?

Regularly maintaining your vehicle, checking the electrical system for any signs of wear or damage, and promptly addressing any warning lights or issues can help prevent this code from occurring in the future.