G 2500 3/4 Ton Van V8-305 5.0L VIN M SFI (1996)
Throttle Position Sensor: Testing and Inspection
Throttle Position (TPS) Sensor
When the VCM detects a malfunction with the Throttle Position (TP) sensor circuits, the following Diagnostic Trouble Code (DTC)s will set:
^
DTC P0121 circuit performance
^
DTC P0122 circuit low.
^
DTC P0123 circuit high.
^
DTC P1121 intermittent circuit high.
^
DTC P1122 intermittent circuit low.
Refer to Diagnostic Tables. See: Powertrain Management/Computers and Control Systems/Testing and Inspection