2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 2477

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 2477

Enabled while the Throttle Sweep Test is in progress.

6. If the repair was related to a DTC, duplicate the Conditions for Running the DTC and use the Freeze Frame/Failure Records, if applicable, in

order to verify the DTC does not reset. If the DTC resets or another DTC is present, refer to the Diagnostic Trouble Code (DTC) List -

Vehicle (See: Diagnostic Trouble Code Descriptions/Diagnostic Trouble Code (DTC) List - Vehicle) and perform the appropriate diagnostic

procedure.

P2120

DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions) provide an overview of each diagnostic category.

DTC Descriptors

DTC P2120

- Accelerator Pedal Position (APP) Sensor 1 Circuit

DTC P2122

- Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage

DTC P2123

- Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage

DTC P2125

- Accelerator Pedal Position (APP) Sensor 2 Circuit

DTC P2127

- Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage

DTC P2128

- Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage

DTC P2138

- Accelerator Pedal Position (APP) Sensor 1-2 Correlation

Diagnostic Fault Information

Typical Scan Tool Data