08-272-26 REV. A

Air Handling Performance Test (APT) Availability In wiTECH Technicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• P0234-00 - Turbocharger Overboost Condition.
• P0299-00 - Turbocharger Underboost.
• P0101-00 - Mass Air Flow Sensor "A" Circuit Performance.
• P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1.
• P24A4-00 - Particulate Filter Restriction - Soot Accumulation Too High.
• P2262-00 - Turbocharger Boost Pressure Not Detected - Mechanical.
• P0471-00 - Exhaust Pressure Sensor 1 Performance.
• P1451-00 - Diesel Particulate Filter System Performance.
• P2457-00 - Exhaust Gas Recirculation Cooling System Performance.
• P2263-00 - Turbo Boost System Performance.
• P2459-00 - Diesel Particulate Filter Regeneration Too Frequent.
• P24A2-00 - Diesel Particulate Filter Regeneration Incomplete - Bank 1.
• P0401-00 - EGR System Performance.
• P0402-00 - EGR Flow Excessive Detected.