Trouble Ticket Help Requests for DTC P0121
|2004 Hyundai Santa Fe 2.4L MIL Lamp on VIN: KM8SB12B64
P0121: Throttle Position Sensor/Switch 'A' Circuit Range/Performance. ... local roads with no problem. We know this can happen for at least 2 months of driving. Customer goes on a trip, and uses cruise control. After at least 50 miles of steady cruise, at 82 to 83 MPH (we know this by looking at freeze frame data ), CEL comes on...
|March 04, 2015|
|2003 Cadillac CTS 3.2L Surge, MIL Lamp on, Extremely High Idle VIN: 1G6DM57N13
P0121: TP Sensor 1-2 Correlation Error. Vehicle was brought in with an extremely high idle that was surging at times (2000-3000 RPM) when in park. Cleared the codes from both the engine and trans modules. After about ten maybe 15 minutes the idle settled down to a normal level and was no longer surg...
|March 19, 2015|