Engine-CodesChrysler – B122C Chrysler

B122C Chrysler Code - PTS Sensor 7 Circuit Low

Quick Answer

The B122C Chrysler diagnostic trouble code (DTC) refers to the PTS (Park Assist) Sensor 7 Circuit Low. Common causes include Faulty Park Assist Sensor 7, Wiring issues such as a short circuit or open circuit in the sensor circuit, Corrosion or damage to the sensor connector. 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
B122C Chrysler indicates PTS Sensor 7 Circuit Low.
Common causes
Common causes include Faulty Park Assist Sensor 7, Wiring issues such as a short circuit or open circuit in the sensor circuit, Corrosion or damage to the sensor connector.
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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B122C Chrysler Description

The B122C Chrysler diagnostic trouble code (DTC) refers to the PTS (Park Assist) Sensor 7 Circuit Low. This code indicates that there is a low voltage condition in the circuit related to Park Assist Sensor 7. Park Assist systems are designed to help drivers park their vehicles safely by alerting them to obstacles in their path. Sensor 7 is one of the sensors in the system responsible for detecting objects behind or in front of the vehicle.

OBDII Code B122C Chrysler - PTS Sensor 7 Circuit Low
B122C Chrysler Code - PTS Sensor 7 Circuit Low

Common Causes of B122C Chrysler

  1. Faulty Park Assist Sensor 7.
  2. Wiring issues such as a short circuit or open circuit in the sensor circuit.
  3. Corrosion or damage to the sensor connector.
  4. Malfunctioning Park Assist control module.
  5. Electrical issues in the vehicle's wiring system.

Symptoms of B122C Chrysler

  1. Illumination of the Park Assist warning light on the dashboard.
  2. Inaccurate or erratic readings from the Park Assist system.
  3. Difficulty in parking due to lack of assistance from the Park Assist system.
  4. Audible alerts from the Park Assist system not functioning correctly.

How to Fix B122C Chrysler

  1. Begin by conducting a visual inspection of the Park Assist Sensor 7 and its wiring for any visible damage or corrosion.
  2. Use a multimeter to test the voltage and continuity in the sensor circuit to identify any electrical issues.
  3. If the sensor is found to be faulty, replace it with a new sensor following the manufacturer's guidelines.
  4. Check and repair any damaged wiring or connectors in the sensor circuit.
  5. Clear the DTC using a diagnostic scan tool and test the Park Assist system to ensure proper functionality.

Cost to Fix B122C Chrysler

The cost of repairing the B122C Chrysler code can vary depending on the specific cause of the issue. On average, the parts for a Park Assist sensor replacement can range from $100 to $200, while the labor costs can be around $100 to $150 per hour. Additional costs may include diagnostic fees and any other necessary repairs. It is advisable to consult with a professional mechanic to get an accurate estimate based on the vehicle's make and model, as well as the extent of the repair needed.

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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 B122C Chrysler Code

1. What are the common symptoms of OBDII code B122C Chrysler (PTS Sensor 7 Circuit Low)?

- Common symptoms include intermittent starting issues, difficulty shifting gears, and the inability to engage the ignition.

2. What causes the OBDII code B122C Chrysler (PTS Sensor 7 Circuit Low) to trigger?

- This code is typically triggered by a malfunction in the Park Assist (PTS) Sensor 7 circuit, often due to a faulty sensor or wiring issue.

3. How can I diagnose the OBDII code B122C Chrysler (PTS Sensor 7 Circuit Low)?

- Diagnosing this code involves using a scan tool to read the fault codes, inspecting the PTS Sensor 7 wiring and connections, and testing the sensor for proper functionality.

4. Can I still drive my vehicle with the OBDII code B122C Chrysler (PTS Sensor 7 Circuit Low) present?

- It is not recommended to drive the vehicle with this code present, as it may lead to unpredictable behavior and potential safety hazards.

5. How can I repair the OBDII code B122C Chrysler (PTS Sensor 7 Circuit Low)?

- Repairing this code may involve replacing the faulty PTS Sensor 7, repairing damaged wiring, or addressing any underlying issues that caused the malfunction.

6. Are there any DIY tips for fixing the OBDII code B122C Chrysler (PTS Sensor 7 Circuit Low)?

- DIY tips include checking for loose or damaged wiring, ensuring proper sensor alignment, and consulting the vehicle's service manual for specific repair procedures.

7. Can a faulty battery or alternator cause the OBDII code B122C Chrysler (PTS Sensor 7 Circuit Low)?

- While a faulty battery or alternator may not directly cause this code, it is essential to ensure that the vehicle's electrical system is in good condition to prevent any related issues.

8. Is it necessary to reset the OBDII code B122C Chrysler (PTS Sensor 7 Circuit Low) after repairing the problem?

- Yes, it is recommended to reset the fault codes using a scan tool after repairing the underlying issue to clear the code and ensure proper functioning of the vehicle.

9. How much does it typically cost to fix the OBDII code B122C Chrysler (PTS Sensor 7 Circuit Low) at a repair shop?

- The cost of repairs can vary depending on the extent of the issue, but it may range from $100 to $300 for parts and labor.

10. Can the OBDII code B122C Chrysler (PTS Sensor 7 Circuit Low) be a recurring problem?

- If the underlying issue is not properly addressed during repairs, the code may recur. It is crucial to diagnose and repair the problem thoroughly to prevent reoccurrence.

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