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.
Conditions For Clearing The DTC
1999 Chevrolet Cutaway 7.4 JSECTION Conditions For Clearing The DTC
Conditions for clearing the DTC:
- The DTC will clear after an ignition cycle has occurred after the Passlock™ module has learned a valid code.
- Passlock™ module history codes will be cleared after 100 ignition cycles with not current codes active.
- Using a scan tool.
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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.