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P1122 Diagnostic Trouble Code Discussion for June 2005

Electronic Throttle Control Actuator Malfunction

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Trouble Ticket Help Requests for DTC P1122
Help Request Posted
1996 GMC C1500 Sierra SL 5.0L MIL Lamp on VIN: 2GTEC19M9T
P1122: TP Sensor Circuit Intermittent Low Voltage. This customer has been coming back every couple of weeks with the same complaint of the check engine light on. Always the same two codes even after replacing the egr and tps with delco units. I have inspected the pcm for water damage, continuity tested the wir...
June 23, 2005