Engine-CodesChrysler – U0172 Chrysler

U0172 Chrysler Code - Lost Communication With Left Side Satellite Acceleration Sensor 1

Quick Answer

The U0172 Chrysler code indicates that there has been a loss of communication with the left side satellite acceleration sensor 1 in the vehicle. Common causes include Faulty left side satellite acceleration sensor 1, Damaged wiring or connectors leading to the sensor, Corrosion or debris affecting the sensor's 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
U0172 Chrysler indicates Lost Communication With Left Side Satellite Acceleration Sensor 1.
Common causes
Common causes include Faulty left side satellite acceleration sensor 1, Damaged wiring or connectors leading to the sensor, Corrosion or debris affecting the sensor's 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.
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code U0172 Chrysler Description

The U0172 Chrysler code indicates that there has been a loss of communication with the left side satellite acceleration sensor 1 in the vehicle. This sensor is responsible for measuring the acceleration and deceleration of the vehicle, sending this information to the vehicle's onboard computer. When communication with this sensor is lost, it can lead to various issues with the vehicle's performance and safety systems.

OBDII Code U0172 Chrysler - Lost Communication With Left Side Satellite Acceleration Sensor 1
U0172 Chrysler Code - Lost Communication With Left Side Satellite Acceleration Sensor 1

Common Causes of U0172 Chrysler

  1. Faulty left side satellite acceleration sensor 1
  2. Damaged wiring or connectors leading to the sensor
  3. Corrosion or debris affecting the sensor's connection
  4. Issues with the vehicle's onboard computer or communication network

Symptoms of U0172 Chrysler

  1. Illuminated traction control or stability control warning lights on the dashboard
  2. Erratic behavior when accelerating or decelerating
  3. Reduced traction control effectiveness
  4. Possible loss of communication with other sensors in the vehicle

How to Fix U0172 Chrysler

  1. Begin by conducting a thorough diagnostic scan to confirm the U0172 code and pinpoint the exact cause of the communication loss.
  2. Inspect the wiring and connectors leading to the left side satellite acceleration sensor 1 for any damage or corrosion. Repair or replace as necessary.
  3. Test the sensor itself to determine if it is functioning correctly. Replace the sensor if it is found to be faulty.
  4. Clear the diagnostic trouble codes and perform a test drive to ensure the issue has been resolved.
  5. If the problem persists, further investigation into the vehicle's onboard computer or communication network may be necessary.

Cost to Fix U0172 Chrysler

The typical repair costs for addressing a U0172 Chrysler code can vary depending on the specific cause of the issue. In general, replacing a faulty sensor or repairing damaged wiring may cost anywhere from $200 to $500, including parts and labor. However, it is essential to note that diagnosis time and labor rates at auto repair shops can fluctuate based on various factors, as mentioned earlier. It is recommended to consult with a professional mechanic for a more accurate estimate based on your vehicle's make and model.

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Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

  • Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
  • Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
  • Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
  • Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.

Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

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 U0172 Chrysler Code

1. What are the common symptoms of OBDII code U0172 in a Chrysler indicating "Lost Communication With Left Side Satellite Acceleration Sensor 1"?

The common symptoms include the check engine light coming on, issues with the vehicle's stability control system, and possible problems with the airbag system.

2. What are the possible causes of OBDII code U0172 in a Chrysler?

Possible causes include a faulty left side satellite acceleration sensor, damaged wiring or connectors, software issues, or issues with the vehicle's computer system.

3. How can I diagnose the "Lost Communication With Left Side Satellite Acceleration Sensor 1" issue in my Chrysler?

Diagnosis typically involves using a diagnostic scanner to retrieve the specific trouble code, checking the wiring and connectors for damage, and testing the left side satellite acceleration sensor for proper function.

4. Is it safe to drive my Chrysler with OBDII code U0172 present?

It is generally not recommended to drive the vehicle with this code present, as it can indicate potential issues with critical safety systems like stability control and airbags.

5. Can I repair OBDII code U0172 in my Chrysler myself?

Depending on the cause of the issue, you may be able to repair it yourself by checking and repairing any damaged wiring or connectors. However, for sensor or computer-related issues, it's best to consult a professional.

6. How much does it cost to fix the "Lost Communication With Left Side Satellite Acceleration Sensor 1" problem in a Chrysler?

The cost of fixing this issue can vary widely depending on the exact cause of the problem. It's recommended to get a diagnostic assessment from a qualified mechanic for an accurate estimate.

7. Will resetting the trouble code temporarily fix the issue?

Resetting the trouble code may temporarily turn off the check engine light, but it will not fix the underlying problem causing the "Lost Communication With Left Side Satellite Acceleration Sensor 1" code.

8. Can a bad battery cause OBDII code U0172 in a Chrysler?

A weak or failing battery can potentially cause communication issues with various sensors, including the left side satellite acceleration sensor, leading to the U0172 trouble code.

9. How long does it typically take to repair OBDII code U0172 in a Chrysler?

The repair time can vary depending on the exact cause of the issue and the expertise of the mechanic. Simple fixes like repairing wiring may take less time compared to sensor replacements or computer reprogramming.

10. Is it important to address OBDII code U0172 immediately in a Chrysler?

Yes, it's crucial to address this issue promptly, as it indicates potential problems with critical safety systems in the vehicle. Ignoring the problem could lead to unsafe driving conditions.

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