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P1516 Diagnostic Trouble Code Discussion for November 2008

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 Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 1GCHK23U03
P1516: TAC Module Throttle Actuator Position Performance. ... power/stall condition.each tine i get in it and find the ses lite on and runs just fine, tow to the shop,pull codes and get a p1516 each time. first time we replaced the foot pedal as per gm tech, i dont have a flow chart for this code so this makes this f...
November 17, 2008
2002 Subaru Outback 2.5L codes, no CEL VIN: 4S3BH66532
P1516: ISC Solenoid Valve 4 Circuit Low Input. Customer brought in this used car for check before buying. No CEL but scanned to see if monitors had run, got the above codes, but no CEL. Checked to make sure light would come on w/KOEO, yes. Can find no information on this weird problem, WHAT DOES IT ALL MEA...
November 20, 2008