DTC Descriptors
WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
DTC P2122 Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage
DTC P2123 Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage
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