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 MANUALSCHEVROLET1998EXPRESS 1 TON VAN V8-5.7L VIN RREPAIR AND DIAGNOSISTECHNICAL SERVICE BULLETINSCUSTOMER INTERESTPASSLOCK(TM) MODULE - LAMP ON/ENGINE STALL/DTC B2960 SETCONDITION
1998 Chevrolet Express 1 Ton Van V8-5.7L VIN R
Condition
1998 Chevrolet Express 1 Ton Van V8-5.7L VIN RSECTION Condition
Some customers may comment on the following conditions. These symptoms may be intermittent.
^ Security lamp illuminates while driving. The Security lamp may be On or Off when the customer brings the vehicle to the repair facility.
^ The engine cranks but will not start and the Security lamp is flashing.
^ The engine starts then stalls and the Security lamp is flashing.
^ Security lamp illuminates while driving. The Security lamp may be On or Off when the customer brings the vehicle to the repair facility.
^ The engine cranks but will not start and the Security lamp is flashing.
^ The engine starts then stalls and the Security lamp is flashing.
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.