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P1122 Diagnostic Trouble Code Discussion for January 2007

Electronic Throttle Control Actuator Malfunction

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Trouble Ticket Help Requests for DTC P1122
Help Request Posted
1996 GMC C1500 Sierra SL 4.3L MIL Lamp on VIN: 1GTEC14W9T
P1122: TP Sensor Circuit Intermittent Low Voltage. ... that has been through a few different repair facilities. Codes p1122 and p1406 trigger the check engine light and then the idle stays high (1800-2500 rpm). Customer indicates that turning the truck off and restarting it shuts out the light and restores the...
January 09, 2007