Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1999CHEVY EXPRESS G1500, VAN CARGO, 5.7 RREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM - TESTS W/CODES - DTC P1537-U1193DTC P1575DTC P1575: EXTENDED TRAVEL BRAKE SWITCH CIRCUIT HIGH (5.7L "Y" BODY)CIRCUIT DESCRIPTION
1999 Chevrolet Chevy Express G1500, Van Cargo, 5.7 R
Circuit Description
1999 Chevrolet Chevy Express G1500, Van Cargo, 5.7 RSECTION Circuit Description
Extended Travel Brake (ETB) switch is normally closed. When switch is closed, PCM senses ignition voltage on ETB switch signal circuit. This DTC sets if PCM senses voltage on ETB switch signal circuit when switch should be open.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.