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P0221 Diagnostic Trouble Code Discussion for April 2010

Throttle Position Sensor 2 Circuit Performance

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Trouble Ticket Help Requests for DTC P0221
Help Request Posted
2003 Cadillac CTS 3.2L MIL Lamp on, limp mode VIN: 1G6DM57N83
P0221: Throttle Position Sensor 1-2 Range Correlation. This one happens only once a month but when it does it will only idle until he restarts the car then it just shifts bad until i clear the codes. I have never been able to get the car to act up. But when i was checking it out i once had 28ohms on the low ref.at...
April 23, 2010
2004 Cadillac CTS 3.6L Cuts out, MIL Lamp on VIN: 1G6DM57724
P0221: Throttle Position Sensor 1-2 Range Correlation. ... check engine light and his car in failsafe mode. we pulled the throttle body codes p0121, tps #1 performance. p0221 tps #2 performance, and a p2176, idle speed not leared. we then replaced the throttle body and wiring ha...
April 27, 2010