Operation CHARM
: Car repair manuals for everyone.
Home
>>
GMC Truck
>>
1998
>>
Envoy 4WD V6-4.3L VIN W
>>
Repair and Diagnosis
>>
Restraints and Safety Systems
>>
Air Bag Systems
>>
Testing and Inspection
>>
Reading and Clearing Diagnostic Trouble Codes
>>
Clearing Trouble Codes
>>
With Scan Tool
With Scan Tool
A scan tool clear codes command will erase history DTCs.
Some DTCs are latched and can not be cleared. Latched DTCs will require replacement of the
SDM
after proper diagnostics.