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Engine-Codes – Generic – U1470

U1470 Code - Implausible Data Received From Left Impact Pressure Sensor

Quick Answer

The U1470 code indicates that the vehicle's left impact pressure sensor has detected implausible data. Common causes include Faulty left impact pressure sensor, Wiring or connection issues in the sensor circuit, Corrosion or damage to the sensor. 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
U1470 indicates Implausible Data Received From Left Impact Pressure Sensor.
Common causes
Common causes include Faulty left impact pressure sensor, Wiring or connection issues in the sensor circuit, Corrosion or damage to the sensor.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code U1470 Description

The U1470 code indicates that the vehicle's left impact pressure sensor has detected implausible data. This sensor is responsible for measuring the impact force on the left side of the vehicle in the event of a collision. When the sensor detects abnormal or inconsistent data, it triggers the U1470 code to alert the vehicle's onboard diagnostics system.

OBDII Code U1470 - Implausible Data Received From Left Impact Pressure Sensor
U1470 Code - Implausible Data Received From Left Impact Pressure Sensor

Common Causes of U1470

  1. Faulty left impact pressure sensor
  2. Wiring or connection issues in the sensor circuit
  3. Corrosion or damage to the sensor
  4. Issues with the vehicle's ECU or other related control modules
  5. Impact force sensor calibration error

Symptoms of U1470

  1. Illuminated airbag warning light on the dashboard
  2. Inaccurate or erratic readings on the vehicle's impact force display
  3. Faulty deployment of airbags or other safety systems in a collision
  4. Loss of communication with the left impact pressure sensor
  5. Vehicle may go into limp mode to prevent further damage

How to Fix U1470

  1. Begin by diagnosing the issue using a diagnostic scanner to read and clear the U1470 code and determine the root cause of the problem.
  2. Inspect the wiring and connections related to the left impact pressure sensor for any damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the left impact pressure sensor itself to ensure it is functioning correctly. Replace the sensor if it is faulty.
  4. Check and recalibrate the sensor to ensure accurate readings and proper communication with the vehicle's ECU.
  5. Clear the U1470 code from the system and perform a test drive to verify that the issue has been resolved and that the vehicle's safety systems are functioning properly.

Cost to Fix U1470

The typical repair costs for addressing the U1470 code can vary depending on the specific cause of the issue and the make and model of the vehicle. In general, the cost of replacing a faulty left impact pressure sensor and addressing any wiring or connection issues can range from $200 to $500, including parts and labor. However, the actual cost may be higher or lower based on the complexity of the repair and the rates charged by the auto repair shop. It is recommended to obtain a detailed quote from a professional mechanic to get a more accurate estimate for this repair.

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Code U1470 Information for Specific Makes

  • U1470 Chrysler — Implausible Data Received From Left Impact Pressure Sensor
  • U1470 Dodge — Implausible Data Received From Left Impact Pressure Sensor
  • U1470 Jeep — Implausible Data Received From Left Impact Pressure Sensor
  • U1470 RAM — Implausible Data Received From Left Impact Pressure Sensor

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 U1470 Code

1. What are the common symptoms of OBDII code U1470?

The common symptoms of OBDII code U1470 include the airbag warning light illuminating on the dashboard, potential loss of communication with the left impact pressure sensor, and possible diagnostic trouble codes related to the airbag system.

2. What can cause the OBDII code U1470 to trigger?

The OBDII code U1470, indicating Implausible Data Received From Left Impact Pressure Sensor, can be triggered by issues such as a faulty left impact pressure sensor, damaged wiring or connectors in the airbag system, or a communication error between the sensor and the vehicle's electronic control unit.

3. How serious is the OBDII code U1470?

The OBDII code U1470 is considered a serious issue as it relates to the proper functioning of the vehicle's airbag system. In the event of a collision, an error with the impact pressure sensor could affect the deployment of the airbags, compromising the safety of the occupants.

4. Can I continue driving with the OBDII code U1470 present?

It is not recommended to continue driving with the OBDII code U1470 present, as it indicates a potential problem with the airbag system. It is essential to address this issue promptly to ensure the proper functioning of the safety features in the vehicle.

5. How can I diagnose and repair the OBDII code U1470?

Diagnosing and repairing the OBDII code U1470 typically involves using a diagnostic scanner to retrieve the specific fault codes, inspecting the left impact pressure sensor and its wiring for any damage, and addressing any communication issues between the sensor and the vehicle's control module.

6. Are there any DIY repair tips for the OBDII code U1470?

While diagnosing and repairing the OBDII code U1470 may require specialized tools and expertise, DIY enthusiasts can start by checking the sensor's wiring and connectors for any visible damage or corrosion before seeking professional assistance.

7. Will resetting the OBDII code U1470 make it go away permanently?

Resetting the OBDII code U1470 may temporarily clear the fault code, but if the underlying issue with the left impact pressure sensor or the airbag system is not addressed, the code is likely to reappear. It is crucial to diagnose and repair the root cause of the problem to prevent the code from returning.

8. How much does it typically cost to repair the OBDII code U1470?

The cost of repairing the OBDII code U1470 can vary depending on the specific cause of the issue, the extent of the repairs needed, and the labor rates of the repair shop. It is advisable to obtain estimates from professional technicians to determine the exact cost.

9. Can the OBDII code U1470 be a false alarm?

While it is possible for OBDII codes to be triggered by temporary glitches or communication errors, the OBDII code U1470 related to the left impact pressure sensor should not be ignored. It is essential to investigate the cause of the code to ensure the proper functioning of the airbag system.

10. How can I prevent the OBDII code U1470 from recurring in the future?

To prevent the OBDII code U1470 from recurring, it is essential to regularly inspect and maintain the components of the airbag system, including the impact pressure sensors, wiring, and connectors. Promptly addressing any issues with the system can help prevent the code from reappearing.

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