U1471 Jeep Code - Implausible Data Received From Left Frontal Acceleration Sensor
Quick Answer
The U1471 code for Jeep vehicles indicates that there is an issue with the left frontal acceleration sensor, where implausible data is being received. Common causes include Faulty left frontal acceleration sensor, Wiring or connector issues related to the sensor, Corrosion or damage to the sensor due to environmental factors. 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
- U1471 Jeep indicates Implausible Data Received From Left Frontal Acceleration Sensor.
- Common causes
- Common causes include Faulty left frontal acceleration sensor, Wiring or connector issues related to the sensor, Corrosion or damage to the sensor due to environmental factors.
- 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 U1471 Jeep Description
The U1471 code for Jeep vehicles indicates that there is an issue with the left frontal acceleration sensor, where implausible data is being received. The left frontal acceleration sensor is a component of the vehicle's safety system that helps to detect sudden changes in acceleration, such as during a collision or abrupt braking. When the sensor detects abnormal acceleration, it sends signals to the vehicle's airbag control module to deploy the airbags and other safety features to protect the occupants.
Common Causes of U1471 Jeep
- Faulty left frontal acceleration sensor.
- Wiring or connector issues related to the sensor.
- Corrosion or damage to the sensor due to environmental factors.
- Electronic control module (ECM) issues.
- Impact or collision that damaged the sensor.
Symptoms of U1471 Jeep
- Airbag warning light illuminated on the dashboard.
- Inaccurate or erratic readings on the vehicle's stability control system.
- Traction control system malfunctions.
- Vehicle may feel unstable or unpredictable while driving.
How to Fix U1471 Jeep
- Begin by diagnosing the exact cause of the issue using a diagnostic scanner to read the fault codes and pinpoint the problem.
- Inspect the wiring and connectors related to the left frontal acceleration sensor for any damage or corrosion. Repair or replace as necessary.
- Test the sensor itself to determine if it is faulty. Replace the sensor if it is not functioning correctly.
- Clear the fault codes from the vehicle's system using the diagnostic scanner.
- Perform a test drive to ensure that the issue has been resolved and that the sensor is now sending accurate data.
Cost to Fix U1471 Jeep
The cost of repairing the U1471 code for an issue with the left frontal acceleration sensor can vary depending on the specific cause of the problem and the cost of parts and labor. On average, the repair costs for this issue can range from $200 to $500, including parts and labor. However, it's important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Additionally, the cost of the sensor itself can vary depending on the make and model of the vehicle. It's advisable to check with local auto repair shops for a more accurate estimate based on your specific vehicle.
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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.
Frequently Asked Questions about U1471 Jeep Code
1. What does the OBDII code U1471 mean for a Jeep?
The U1471 code indicates "Implausible Data Received From Left Frontal Acceleration Sensor," meaning the sensor is sending data that doesn't align with expected parameters.
2. What are the common symptoms of the U1471 code on a Jeep?
Symptoms may include an illuminated check engine light, airbag or stability control warning lights, and potential issues with traction or stability systems.
3. What causes the U1471 code to appear?
Common causes include a faulty left frontal acceleration sensor, damaged wiring or connectors, or issues with the sensor's communication to the control module.
4. Can I drive my Jeep with the U1471 code?
While it may still be drivable, this code can impact safety systems like airbags and stability control, so it's recommended to address the issue promptly.
5. How is the U1471 code diagnosed?
A technician will use a scan tool to read the code, inspect the left frontal acceleration sensor and wiring, and test the sensor's output for irregularities.
6. How do you fix the U1471 code on a Jeep?
Repairs may involve replacing the left frontal acceleration sensor, repairing or replacing damaged wiring, or addressing any faulty connectors.
7. How much does it cost to repair the U1471 code?
The repair cost depends on the root cause, but replacing the sensor typically ranges from $150 to $400, including parts and labor.
8. Can a U1471 code be caused by a dead battery?
A low or dead battery can occasionally cause communication issues between sensors and modules, but this is less common for this specific code.
9. Will clearing the code with a scan tool fix the issue?
Clearing the code may temporarily turn off the warning light, but the underlying issue must be resolved to prevent the code from returning.
10. Is the U1471 code specific to Jeeps?
While this code can appear on other vehicles, it is commonly associated with Jeep models due to their specific sensor configurations.
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