gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Throttle Position Sensor Output|Page 5548 > < Throttle Position Sensor Output
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Throttle Position Sensor: Testing and Inspection
Trouble Codes Set With Malfunction

See: Computers and Control Systems/Testing and InspectionWhen 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: Computers and Control Systems/Testing and Inspection

Throttle Position Sensor Output|Page 5548 > < Throttle Position Sensor Output