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 MANUALSCHEVROLET1998CHEVY EXPRESS G3500, VAN CARGO EXTENDED, 5.7 RREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEMDIAGNOSTIC TESTSDTC C0248: LEFT FRONT DUMP SOLENOID CIRCUIT SHORTEDDIAGNOSIS
1998 Chevrolet Chevy Express G3500, Van Cargo Extended, 5.7 R
DTC C0248: Left Front Dump Solenoid Circuit Shorted: Diagnosis
1998 Chevrolet Chevy Express G3500, Van Cargo Extended, 5.7 RSECTION Diagnosis
- Perform diagnostic system check. See DIAGNOSTIC SYSTEM CHECK. After performing diagnostic system check, go to next step.
- Turn ignition off. Disconnect 2-pin EBCM harness connector. Inspect connector for damage or corrosion which could result in loss of power to EBCM. If connector is okay, go to next step. If connector is not okay, go to step 6) .
- Check resistance between ground and 2-pin EBCM harness connector terminal "B". If resistance is 0-2 ohms, go to next step. If not, go to step 7) .
- Check voltage between ground and 2-pin EBCM harness connector terminal "A". If voltage reading is greater than 10 volts, go to step 8) . If not, go to next step.
- Inspect ABS fuse or fusible link. If fuse or fusible link is open, go to step 9) . If fuse or fusible link is okay, go to step 10) .
- Repair 2-pin EBCM harness connector as necessary.
- Repair open or high resistance in ground circuit to EBCM.
- Replace EBCM.
- Repair short to ground in battery circuit between underhood fuse/relay block and EBCM.
- Repair open or high resistance in battery circuit to EBCM.
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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.