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P1516 Diagnostic Trouble Code Discussion for October 2007

TAC Module Throttle Actuator Position Performance

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Trouble Ticket Help Requests for DTC P1516
Help Request Posted
2003 Chevrolet Silverado 2500 6.0L MIL Lamp on VIN: 1GCHK23U23
P1516: TAC Module Throttle Actuator Position Performance. ... customer at times. sets p1516. have performed service bullitin doc#1346034. have inspected yellow feed circuits for opens. with lab scope on circuit#486 which is tp sensor2 signal it shows lots of (noise) ie poor pattern. i have volt drop all related groun...
October 16, 2007