P1574 – Chevrolet Corvette C5 DTC

Chevrolet Corvette C5 DTC P1574 – Stoplamp Switch Circuit

DTC P1574 meaning on Chevrolet Corvette C5

DTC P1574 on a Chevrolet Corvette C5 indicates a malfunction in the stoplamp switch circuit. This code is set when the Powertrain Control Module (PCM) detects an issue with the stoplamp switch signal.

Chevrolet Corvette C5 DTC P1574 symptoms

• Check Engine Light (CEL) illuminated on the dashboard
• Brake lights not functioning properly
• Cruise control may not work

Chevrolet Corvette C5 DTC P1574 causes

• Faulty stoplamp switch
• Open or short circuit in the stoplamp switch wiring
• Corroded connectors in the circuit

Chevrolet Corvette C5 DTC P1574 seriousness

The DTC P1574 code should not be ignored as it can affect the proper functioning of the brake lights and other safety systems in the vehicle. It is important to address this issue promptly to ensure safe driving conditions.

How to diagnose DTC P1574 on Chevrolet Corvette C5

1. Use a scan tool to retrieve the DTC P1574 code from the PCM
2. Inspect the stoplamp switch and its wiring for any visible damage or corrosion
3. Check the stoplamp switch operation by pressing the brake pedal and observing if the brake lights illuminate

How to fix DTC P1574 on Chevrolet Corvette C5

1. Replace the faulty stoplamp switch if it is found to be defective
2. Repair any open or short circuits in the stoplamp switch wiring
3. Clean or replace corroded connectors in the circuit

How to erase DTC P1574 on Chevrolet Corvette C5

1. After fixing the underlying issue causing DTC P1574, use a scan tool to clear the code from the PCM
2. Ensure that the repair has resolved the problem before clearing the code