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P1221 Diagnostic Trouble Code Discussion for June 2007

TP Sensor 2 Signal Correlation


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Trouble Ticket Help Requests for DTC P1221
Help Request Posted
2000 Chevrolet Tahoe 5.3L Poor Idle Quality, MIL Lamp on VIN: 1GNEC137XY
P1221: TP Sensor 2 Signal Correlation. hi gus we have this tahoe with p1221. customer complain is mil and reduced engine power on.cold engine vehicle has no power customer turned key off waited 2 minutes and restarted vehicle.it ran good again. Another technician pulled dtc but he did not get freez...
June 28, 2007
2000 Chevrolet Tahoe 5.3L Poor Idle Quality, MIL Lamp on VIN: 1GNEC137XY
P1221: TP Sensor 2 Signal Correlation. hi gus we have this tahoe with p1221. customer complain is mil and reduced engine power on.cold engine vehicle has no power customer turned key off waited 2 minutes and restarted vehicle.it ran good again. Another technician pulled dtc but he did not get freez...
June 28, 2007