What is GM DTC C0561:71?

GM DTC C0561:71 is a diagnostic trouble code that indicates a system disabled information stored invalid serial data received error. This code is typically associated with the Electronic Brake Control Module (EBCM) in General Motors vehicles. When this code is triggered, it means the EBCM has received invalid data from another module, causing it to deactivate critical safety systems.

Symptoms of C0561:71

When the C0561:71 code is present, you may experience the following symptoms:

  • Deactivation of the Antilock Brake System (ABS)
  • Traction Control System disabled
  • Electronic Stability Control not functioning
  • "Service Stabilitrak" or "Service Traction Control" message on the dashboard
  • Illuminated brake warning light
  • Reduced vehicle stability and handling

Causes of C0561:71

The C0561:71 code can be triggered by several factors:

  • Faulty wiring or connections in the vehicle's communication network
  • Malfunctioning sensors sending incorrect data to the EBCM
  • Software issues in the EBCM or other control modules
  • Damaged or failing EBCM
  • Problems with related systems like the engine or transmission control modules

Diagnosing C0561:71

To diagnose the C0561:71 code, follow these steps:

1. Use a scan tool to check for additional codes that may be present

2. Inspect all wiring and connectors related to the EBCM and other control modules

3. Check the vehicle's battery and charging system to ensure proper voltage

4. Perform a thorough visual inspection of all related components

5. Test the functionality of sensors that provide input to the EBCM

Fixing C0561:71

Resolving the C0561:71 code may involve several steps:

1. Clear the code and see if it returns immediately

2. If other codes are present, address those first as they may be the root cause

3. Repair or replace any damaged wiring or connectors

4. Update the software of the EBCM and other related modules if available

5. If the issue persists, consider replacing the EBCM

Preventing C0561:71

To prevent the C0561:71 code from recurring:

  • Regularly maintain your vehicle according to the manufacturer's schedule
  • Address any electrical issues promptly
  • Avoid using aftermarket modifications that may interfere with the vehicle's systems
  • Ensure all software updates for your vehicle's modules are applied

Importance of Addressing C0561:71

It's crucial to address the C0561:71 code promptly because it affects critical safety systems in your vehicle. Driving with disabled ABS, traction control, and stability control can significantly increase the risk of accidents, especially in adverse weather conditions.

FAQs About GM DTC C0561:71

    • Can I drive my vehicle with the C0561:71 code?
      While the vehicle may still operate, it's not recommended to drive with this code present as critical safety systems are disabled.
    • Will clearing the code fix the problem?
      Clearing the code may temporarily resolve the issue, but if the underlying problem isn't fixed, it will likely return.
    • How much does it cost to fix C0561:71?
      Costs can vary widely depending on the root cause, ranging from simple repairs to potentially expensive module replacements.