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International Automotive Technicians Network
Re: Permanent P0420 and P0430 codes
Posted to Emissions Forum on 8/9/2016

Mode $0A--Request emissions-related diagnostic trouble codes with permanent status after a clear/reset emission-related diagnostic information service. The purpose of mode $0A, referred to as Mode 10, is to allow a scan tool to obtain DTCs that are sto... Login to read more.

 

car Vehicle Data

2010 Chevrolet Silverado 2500 HD LT 6.0L Mil Lamp On

Engine6.0 L
Trans6-speed Automatic (Electronic)
SymptomsMil Lamp On

car Vehicle Data

2010 Chevrolet Silverado 2500 HD LT 6.0L Mil Lamp On

Engine6.0 L
Trans6-speed Automatic (Electronic)
SymptomsMil Lamp On