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DTC P2125 Circuit Description The accelerator pedal position (APP) sensor 2 is a potentiometer type sensor with the following circuits: z A 5-volt reference circuit z A low reference circuit z A signal circuit The control module provides the APP sensor a 5-volt reference circuit and a low reference circuit. The APP Conditions for Running the DTC z DTCs P0601, P0602, P0606, P2108, U0107 are not set. z The ignition switch is in the Crank or Run position. z The ignition voltage is more than 5.23 volts. Conditions for Setting the DTC z The APP sensor 2 voltage is less than 0.24 volt or more than 4.49 volts. OR z The 5-volt reference is less than 4.54 volts or more than 5.21 volts. z One of the above conditions is present for more than 1 second. Action Taken When the DTC Sets 18 3. Start the engine. 4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the Did the DTC fail this ignition? - Go to Step 2 Go to Step 19 19 Observe the Capture Info with a scan tool. - Go to Diagnostic Trouble Code (DTC) List System OK
2004 Hummer H2 2004 ENGINE PERFORMANCE Engine Controls Diagnosis (DTC P0507 (TAC) To DTC U0107) - 4.8L, 5.3L, and 6.0L - Hummer H2
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