Chevrolet Corvette C5 DTC P0571 – Cruise Control Brake Switch Circuit
DTC P0571 meaning on Chevrolet Corvette C5
DTC P0571 on a Chevrolet Corvette C5 indicates a problem with the cruise control brake switch circuit. This diagnostic trouble code is set when the powertrain control module (PCM) detects an electrical fault in the brake switch circuit that is used by the cruise control system.
Chevrolet Corvette C5 DTC P0571 symptoms
Symptoms of DTC P0571 on a Chevrolet Corvette C5 may include:
- Cruise control not engaging or disengaging properly
- Cruise control not working at all
- Check Engine Light (CEL) illuminated on the dashboard
Chevrolet Corvette C5 DTC P0571 causes
Common causes of DTC P0571 on a Chevrolet Corvette C5 include:
- Defective brake switch
- Open or short circuit in the brake switch wiring
- Faulty cruise control module
Chevrolet Corvette C5 DTC P0571 seriousness
While DTC P0571 may not cause drivability issues, it can affect the proper functioning of the cruise control system. It is recommended to address this issue to ensure the cruise control operates as intended.
How to diagnose DTC P0571 on Chevrolet Corvette C5
To diagnose DTC P0571 on a Chevrolet Corvette C5, follow these steps:
- Use a scan tool to retrieve the DTC and freeze frame data
- Inspect the brake switch and its wiring for any visible damage
- Perform a continuity test on the brake switch circuit
- Check for any corrosion or loose connections in the circuit
How to fix DTC P0571 on Chevrolet Corvette C5
To fix DTC P0571 on a Chevrolet Corvette C5, consider the following:
- Replace the faulty brake switch if necessary
- Repair any damaged wiring in the brake switch circuit
- If the cruise control module is faulty, replace it
- Clear the DTC and test the cruise control system for proper operation
How to erase DTC P0571 on Chevrolet Corvette C5
To erase DTC P0571 on a Chevrolet Corvette C5, use a scan tool to clear the code from the PCM’s memory. After clearing the code, ensure that the issue has been resolved and that the cruise control system is functioning correctly.
Recommended tools for Chevrolet Corvette C5 diagnostics
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