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Code U0585

Symptoms

• Warning lights on the dashboard

• Intermittent vehicle operation issues

• Loss of certain vehicle functions

Common Causes

• Faulty wiring or connectors

• Defective control module

• Network communication failure

Glossary

OBD-II: On-Board Diagnostics, a standardized system for vehicle self-diagnostics.

DTC: Diagnostic Trouble Code, a code that indicates a problem with the vehicle.

Related Codes

• U0100

• U0140

Laymans terms

This code means that some parts of the car's computer system are not talking to each other properly.

Explanation

The code U0585 indicates a communication error between certain modules in the vehicle.

Technical description

U0585 is a diagnostic trouble code (DTC) that indicates a communication fault between the vehicle's control modules, specifically pointing to a problem with the network that connects these modules.

Diagnosis steps

• Check for other related codes.

• Inspect wiring and connectors for damage.

• Test the communication network with a diagnostic tool.

Repair procedures

• Repair or replace damaged wiring or connectors.

• Replace the faulty control module.

• Reprogram the module if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Diagnostic software

Estimated repair cost

$150 - $500

Difficulty level

Moderate

Commonly affected vehicles

• Ford F-150

• Chevrolet Silverado

• Toyota Camry

Preventive measures

• Regularly inspect and maintain vehicle wiring.

• Avoid exposure to extreme temperatures.

• Keep software updated.

Error code type

Communication Error

User experience recommendations

• Have the vehicle inspected by a professional.

• Avoid DIY repairs unless experienced.

• Monitor for any changes in vehicle behavior.

Warranty information

Check with the vehicle manufacturer for warranty coverage related to electronic components.

Historical data

U0585 is a relatively common code in modern vehicles due to the complexity of electronic communication networks.

Urgency level

Moderate – It should be addressed to prevent further issues but is not immediately dangerous.

Legal and safety notice

Ignoring this code could lead to loss of critical vehicle functions, which may affect safety.

Testing conditions

• Vehicle in park with the engine running.

• All electrical systems operational.

Component location

The control modules are typically located throughout the vehicle, often behind the dashboard or in the engine bay.

FAQs

Q: Can I drive with a U0585 code?
A: While it may be possible to drive, it's not recommended as it could lead to further issues.

Q: Will a U0585 code clear itself?
A: The code may clear if the issue is resolved, but it's best to use a scanner to ensure it's fixed.

Last updated: Jan 15, 2026 • Source: internal database
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