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 MANUALSCHEVROLET2004AVEO BASE, 4D HATCHBACKREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTILOCK BRAKE SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESDTC C0042: HIGH RESISTANCE OR AN OPEN CIRCUIT ACROSS THE MOTORCONDITIONS FOR SETTING THE DTC
2004 Chevrolet Aveo Base, 4D Hatchback
Conditions for Setting the DTC
2004 Chevrolet Aveo Base, 4D HatchbackSECTION Conditions for Setting the DTC
DTC C0042 can only be set with the key in the ON position, the pump motor is OFF, and the EBCM detected high resistance or an open circuit across the motor.
RENDER: 1.0x
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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.