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 MANUALSCHEVROLET2000CHEVY EXPRESS G3500, VAN CARGO EXTENDED, 6.5 FREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM SELF-DIAGNOSTICS - GASOLINE - 4.3L, 5.0L, 5.7L & 7.4LDIAGNOSTIC TESTSDTC P1380: EBCM DTC DETECTED ROUGH ROAD DATA UNSTABLE (4.3L)CIRCUIT DESCRIPTION
2000 Chevrolet Chevy Express G3500, Van Cargo Extended, 6.5 F
Circuit Description
2000 Chevrolet Chevy Express G3500, Van Cargo Extended, 6.5 FSECTION Circuit Description
This test determines if EBCM has lost the ability to provide rough road data to the VCM for misfire detection (DTC P0300). DTC will set when VCM determines that the ABS system is unable to detect a rough road condition.
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.