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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1647 (Engine Control System & Fuel System - 4.8L, 5.3L, 6.0L, 6.2L - DTC P1255 To DTC P3449) >> DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 >> Typical Scan Tool Data

Typical Scan Tool Data

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
APP Sensor 1 and 2

Circuit Short to Ground Open Short to Voltage
Operating Conditions:  The engine is operating at idle.
Parameter Normal Range:  APP Sensor 1 0.88-1.08 V
Parameter Normal Range:  APP Sensor 2 0.39-0.59 V
APP Sensor 1 5 V Reference 0.00 V 0.00 V 2.7-3.7 V
APP Sensor 2 5 V Reference 0.00 V 0.00 V 1-2 V
APP Sensor 1 Signal 0.00 V 0.00 V 4-5 V
APP Sensor 2 Signal 0.00 V 0.00 V 4-5 V
APP Sensor 1 Low Reference - 4-5 V -
APP Sensor 2 Low Reference - 4-5 V -
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