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U0159 RAM Code - Lost Communication With Parking Assist Control Module

Quick Answer

The U0159 diagnostic trouble code (DTC) indicates that the vehicle's onboard computer has lost communication with the Parking Assist Control Module. Common causes include Faulty Parking Assist Control Module, Wiring issues such as a short circuit or open circuit, Software glitches or communication errors within the vehicle's network. 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
U0159 RAM indicates Lost Communication With Parking Assist Control Module.
Common causes
Common causes include Faulty Parking Assist Control Module, Wiring issues such as a short circuit or open circuit, Software glitches or communication errors within the vehicle's network.
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 13, 2024
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Code U0159 RAM Description

The U0159 diagnostic trouble code (DTC) indicates that the vehicle's onboard computer has lost communication with the Parking Assist Control Module. The Parking Assist Control Module is responsible for managing the parking sensors and assisting the driver in parking maneuvers. When communication is lost with this module, it can lead to the parking assist system not functioning properly, potentially causing issues with parking and maneuvering the vehicle in tight spaces.

OBDII Code U0159 RAM - Lost Communication With Parking Assist Control Module
U0159 RAM Code - Lost Communication With Parking Assist Control Module

Common Causes of U0159 RAM

  1. Faulty Parking Assist Control Module.
  2. Wiring issues such as a short circuit or open circuit.
  3. Software glitches or communication errors within the vehicle's network.
  4. Corrosion or damage to connectors related to the parking assist system.
  5. Issues with the main computer system of the vehicle.

Symptoms of U0159 RAM

  1. Parking assist system not working or providing inaccurate readings.
  2. Warning lights related to the parking assist system illuminating on the dashboard.
  3. Difficulty in parking or maneuvering the vehicle in tight spaces.
  4. Loss of other related features such as rear cross-traffic alert or blind-spot monitoring.

How to Fix U0159 RAM

  1. Begin by conducting a thorough visual inspection of the wiring and connectors related to the parking assist system.
  2. Use a diagnostic scanner to retrieve the specific trouble codes and pinpoint the exact cause of the communication loss.
  3. Test the Parking Assist Control Module for proper functionality and replace if necessary.
  4. Clear the DTCs from the vehicle's computer system and retest the parking assist system to ensure proper communication.
  5. If the issue persists, further diagnostics may be required to identify any underlying issues with the vehicle's network or main computer system.

Cost to Fix U0159 RAM

The typical repair costs for addressing a U0159 DTC can vary depending on the specific cause of the issue. In general, replacing a faulty Parking Assist Control Module can range from $200 to $600, including parts and labor. Additional costs may apply if there are wiring issues or other components that need attention. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

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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 U0159 RAM Code

1. What are common symptoms of OBDII code U0159 "Lost Communication With Parking Assist Control Module" in a RAM vehicle?

- Common symptoms include the parking assist system not functioning properly, warning lights illuminated on the dashboard, and potential issues with parking sensors.

2. What are some possible causes of OBDII code U0159 in a RAM vehicle?

- Possible causes include a faulty parking assist control module, damaged wiring or connectors, a blown fuse related to the parking assist system, or a software glitch.

3. How can I diagnose the cause of OBDII code U0159 in my RAM vehicle?

- Diagnosing the issue involves using an OBDII scanner to retrieve the code, inspecting the parking assist control module and related components for damage, and checking the wiring and connectors for any issues.

4. Can OBDII code U0159 be triggered by a dead battery in a RAM vehicle?

- Yes, a dead or disconnected battery can sometimes cause communication issues and trigger code U0159. It is recommended to ensure the battery is in good condition before diagnosing further.

5. Is it safe to continue driving with OBDII code U0159 present in a RAM vehicle?

- It is generally safe to drive with this code, but it is important to address the issue promptly to prevent any potential problems with the parking assist system and ensure proper vehicle operation.

6. How can I reset OBDII code U0159 in my RAM vehicle?

- Resetting the code can be done using an OBDII scanner that has the capability to clear codes. However, it is recommended to diagnose and fix the underlying issue causing the code before clearing it.

7. Will replacing the parking assist control module fix OBDII code U0159 in a RAM vehicle?

- Replacing the control module may resolve the issue in some cases, but it is important to properly diagnose the root cause of the communication loss before replacing any components.

8. Can extreme weather conditions cause OBDII code U0159 to appear in a RAM vehicle?

- Yes, extreme heat or cold can sometimes affect electronic components and wiring, potentially leading to communication issues and triggering code U0159. Inspecting for weather-related damage is recommended.

9. Are there any DIY repair tips for addressing OBDII code U0159 in a RAM vehicle?

- DIY repair tips include checking and securing wiring connections, inspecting for visible damage or corrosion, and ensuring all related fuses are intact before considering more advanced repairs.

10. How long does it typically take to repair OBDII code U0159 in a RAM vehicle?

- The repair time can vary depending on the exact cause of the communication loss. Simple fixes like reconnecting a loose wire may take a short time, while diagnosing and replacing a faulty control module could require more extensive work and time.

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