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Engine-Codes – Generic – U1155

U1155 Code - Invalid Or Missing Data For Compact Disc

Quick Answer

The U1155 diagnostic trouble code (DTC) indicates that there is invalid or missing data for the compact disc player in the vehicle. Common causes include Loose or damaged wiring connections, Malfunctioning CD player, Damaged or dirty CDs. 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
U1155 indicates Invalid Or Missing Data For Compact Disc.
Common causes
Common causes include Loose or damaged wiring connections, Malfunctioning CD player, Damaged or dirty CDs.
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 10, 2024
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Code U1155 Description

The U1155 diagnostic trouble code (DTC) indicates that there is invalid or missing data for the compact disc player in the vehicle. This code is specific to audio systems that are equipped with a CD player. When this code is triggered, it means that the vehicle's onboard computer has detected a problem with the CD player or the data being transmitted to it.

OBDII Code U1155 - Invalid Or Missing Data For Compact Disc
U1155 Code - Invalid Or Missing Data For Compact Disc

Common Causes of U1155

  1. Loose or damaged wiring connections
  2. Malfunctioning CD player
  3. Damaged or dirty CDs
  4. Software or firmware issues with the CD player
  5. Problems with the data transmission between the CD player and the vehicle's computer

Symptoms of U1155

  1. Inability to play CDs
  2. Skipping or freezing of CDs during playback
  3. Loss of audio output
  4. Error messages on the audio display
  5. Intermittent audio issues

How to Fix U1155

  1. Check and repair any loose or damaged wiring connections
  2. Inspect and potentially replace the CD player if it is malfunctioning
  3. Clean or replace any damaged or dirty CDs
  4. Update the software or firmware of the CD player if necessary
  5. Test the data transmission between the CD player and the vehicle's computer for any faults

Cost to Fix U1155

The cost of repairing the U1155 code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair costs for this issue can range from $100 to $300, including parts and labor. However, it's important to keep in mind that diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to check with local auto repair 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.

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