u1175 lost ignition status message

What it means:

Lost Ignition Status Message: This code indicates a communication issue within the vehicle’s network, specifically related to the ignition status message. It suggests that the control module has lost communication with another module responsible for providing the ignition status.

Common Causes:

Lost Ignition Status Message

• Faulty ignition switch
• Wiring issues or poor electrical connections
• Defective control module
• Software issues in the vehicle’s computer system
• Damaged or corroded connectors

Common Misdiagnosis:

Lost Ignition Status Message:

Common Misdiagnosis: Replacing the ignition switch without checking for wiring issues or communication errors in the CAN bus system.

Common Diagnostic Steps:

Lost Ignition Status Message

Common Diagnostic Steps:

• Check for any additional trouble codes that may be present, as they can provide more context or related issues.
• Inspect the ignition switch and associated wiring for damage, corrosion, or loose connections.
• Verify the integrity of the communication network (CAN bus) between the ignition system and other modules.
• Test the battery voltage and charging system to ensure proper electrical supply to all components.
• Use a scan tool to monitor live data from the ignition system and related sensors to identify irregularities.
• If applicable, update or reprogram vehicle software/firmware to address known issues with lost messages.
• Consult technical service bulletins (TSBs) for any manufacturer-specific solutions or recalls related to this code.