P246B CHEVROLET - Vehicle Conditions Incorrect for Diesel Particulate Filter Regeneration
- Fuel system concerns
- Turbocharger system concern
- Exhaust leaks
- Oxidation catalytic converter (OC)
- Aftermarket exhaust accessories or performance modifications
- Engine Light ON (or Service Engine Soon Warning Light)
P246b Chevrolet DescriptionThe Powertrain Control Module (PCM) monitors the conditions necessary for diesel particulate filter regeneration. The test fails when the level of diesel particulate filter regeneration is not at the target reduction after 13 minutes of active regeneration.
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