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 MANUALSCHEVROLET2001LUMINA V6-3.1L VIN JREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSTORING AND ERASING FAILURE RECORDS DATA
2001 Chevrolet Lumina V6-3.1L VIN J
Storing and Erasing Failure Records Data
2001 Chevrolet Lumina V6-3.1L VIN JSECTION Storing and Erasing Failure Records Data
When a PCM DTC sets, the PCM does several things. Among these is saving useful data and input parameter information for service diagnosis. This information is referred to as Freeze Frame/Failure Records. You will see references to these in many PCM DTC diagnostic tables because this information can be useful in pinpointing a problem even if the problem is not present when the vehicle is in the service bay.
Freeze Frame/Failure Records data may be retrieved through the DTC menu on scan tool. If more than one DTC is set review the odometer or engine run time data located in the Freeze Frame/Failure Records info to determine the most current failure.
Keep in mind that once Freeze Frame or Failure Record is selected, the parameter and input data displayed will look just like the normal PCM data except the parameters will not vary since stored data is being displayed.
Freeze Frame/Failure Records data may be retrieved through the DTC menu on scan tool. If more than one DTC is set review the odometer or engine run time data located in the Freeze Frame/Failure Records info to determine the most current failure.
Keep in mind that once Freeze Frame or Failure Record is selected, the parameter and input data displayed will look just like the normal PCM data except the parameters will not vary since stored data is being displayed.
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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.