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Home >> Chevrolet >> 2001 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control Modules >> Self-Diagnostic System >> Powertrain Control Module Diagnostic System Check >> Notes

Powertrain Control Module Diagnostic System Check: Notes

CAUTION: Do not perform this procedure if no driveability issues exist. Do not turn OFF ignition when performing this procedure. Do not clear retrieved or stored DTCs unless instructed to do so.
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