P0574 Code - Cruise Control System Vehicle Speed Too High
Quick Answer
The diagnostic trouble code P0574 indicates that the vehicle's cruise control system has detected that the vehicle speed is too high for the system to engage. Common causes include Faulty speed sensor, Transmission issues, Engine control module (ECM) malfunction. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- P0574 indicates Cruise Control System Vehicle Speed Too High.
- Common causes
- Common causes include Faulty speed sensor, Transmission issues, Engine control module (ECM) malfunction.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
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Code P0574 Description
The diagnostic trouble code P0574 indicates that the vehicle's cruise control system has detected that the vehicle speed is too high for the system to engage. This can be a safety feature to prevent the cruise control from engaging at unsafe speeds, which could potentially lead to loss of control of the vehicle. When this code is triggered, the cruise control system will be disabled until the issue is resolved.
Common Causes of P0574
- Faulty speed sensor.
- Transmission issues.
- Engine control module (ECM) malfunction.
- Wiring issues or loose connections.
- Vehicle speed too high for cruise control engagement.
Symptoms of P0574
- Inability to engage the cruise control system.
- Warning light on the dashboard indicating a cruise control system fault.
- Vehicle speed not maintaining a constant speed when cruise control is engaged.
- Engine revving higher than usual when attempting to engage cruise control.
- Vehicle speedometer showing inaccurate readings.
How to Fix P0574
- Diagnose the issue by using a scan tool to retrieve the trouble codes and check for any underlying issues.
- Inspect the speed sensors and wiring for any damage or loose connections.
- Test the transmission for any malfunctions that could be affecting the vehicle speed readings.
- Check the ECM for any faults or errors that could be causing the cruise control system to disable.
- Clear the trouble codes and reset the system to see if the issue has been resolved.
Cost to Fix P0574
The typical repair costs for addressing the P0574 code can vary depending on the specific cause of the issue. In general, the cost of parts and labor for this repair could range from $100 to $500. However, it is important to note that the actual cost can be higher or lower depending on the location, vehicle make and model, and the rates of the auto repair shop. It is recommended to check with local shops for a more accurate estimate. Keep in mind that diagnosis time and labor rates can also impact the final cost of the repair.
When is the Code Detected?
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Code P0574 Information for Specific Makes
- P0574 Mazda — Cruise Control System Vehicle Speed Too high
- P0574 Mercedes-Benz — Cruise Control System Vehicle Speed Too High
Frequently Asked Questions about P0574 Code
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