AutoCodes – Dodge – U05A5 Dodge

U05A5 Dodge Code - Implausible Data Received From Ammonia Sensor

Quick Answer

The Powertrain Control Module (PCM) monitors the Ammonia Sensor. Common causes include Faulty Ammonia Sensor Module, Ammonia Sensor Module harness is open or shorted, Ammonia Sensor Module 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: U05A5 Dodge indicates Implausible Data Received From Ammonia Sensor.
Common causes: Common causes include Faulty Ammonia Sensor Module, Ammonia Sensor Module harness is open or shorted, Ammonia Sensor Module 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 1,783

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 Apr 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U05A5 Dodge Description

The Powertrain Control Module (PCM) monitors the Ammonia Sensor. The Diagnostic Trouble Code (DTC) sets when an unexpected data link message was sent to the PCM form the Ammonia Sensor Module and was unable to be interpreted.

OBDII Code U05A5 Dodge - Implausible Data Received From Ammonia Sensor - AutoCodes.com — U05A5 Dodge Code - Implausible Data Received From Ammonia Sensor

What does this mean?

What are the Possible Causes of the DTC U05A5 Dodge?

Faulty Ammonia Sensor Module
Ammonia Sensor Module harness is open or shorted
Ammonia Sensor Module circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC U05A5 Dodge?

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 U05A5 Dodge 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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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 U05A5 Dodge Code

1. What are the common symptoms of OBDII code U05A5 (Implausible Data Received From Ammonia Sensor) in a Dodge vehicle?

- Common symptoms include poor engine performance, reduced fuel efficiency, and the illumination of the check engine light.

2. What could be the possible causes of OBDII code U05A5 in a Dodge, indicating implausible data received from the ammonia sensor?

- Possible causes may include a faulty ammonia sensor, wiring issues, software glitches, or a malfunction in the vehicle's onboard computer system.

3. How can I diagnose the OBDII code U05A5 in my Dodge related to implausible data from the ammonia sensor?

- Diagnosis involves using an OBDII scanner to retrieve the code, inspecting the ammonia sensor and its connections, and conducting a thorough visual inspection of the sensor system.

4. Is it safe to continue driving my Dodge with the U05A5 code triggered by implausible data from the ammonia sensor?

- It is recommended to avoid driving the vehicle with this code triggered, as it can lead to potential engine damage or further system malfunctions.

5. Can I reset the OBDII code U05A5 in my Dodge related to the ammonia sensor issue, or does it require professional repair?

- While you can attempt to reset the code using an OBDII scanner, it is advisable to have a professional diagnose and repair the underlying cause to prevent future issues.

6. Are there any quick repair tips for resolving the U05A5 code in a Dodge caused by implausible data from the ammonia sensor?

- Quick repair tips may include checking and cleaning sensor connections, ensuring proper sensor calibration, and updating the vehicle's software if applicable.

7. How much does it typically cost to repair the OBDII code U05A5 in a Dodge due to implausible data from the ammonia sensor?

- Repair costs can vary depending on the exact cause of the issue, but they may range from $100 for simple fixes like sensor replacement to several hundred dollars for more complex repairs.

8. Can extreme weather conditions affect the triggering of the U05A5 code in a Dodge related to the ammonia sensor?

- Yes, extreme temperatures or environmental factors can impact the performance of the ammonia sensor, leading to the triggering of the U05A5 code.

9. Is the ammonia sensor a common component to fail in Dodge vehicles, causing the U05A5 code to appear?

- While not as common as other sensor failures, issues with the ammonia sensor can occur in Dodge vehicles, especially in models equipped with advanced emission control systems.

10. Are there any recalls or technical service bulletins related to the OBDII code U05A5 in Dodge vehicles concerning implausible data from the ammonia sensor?

- It is recommended to check with Dodge dealerships or online resources for any recalls or technical service bulletins related to the U05A5 code and the ammonia sensor issue for specific vehicle models.