P1516 Diagnostic Trouble Code Discussion for August 2019
TAC Module Throttle Actuator Position Performance
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| Help Request | Posted | |
| 2005 Chevrolet Suburban 1500 LT 5.3L Poor Idle Quality, Poor Idle Quality, Poor Idle Quality, Poor Idle Quality VIN: 3GNEC16Z55 P1516: TAC Module Throttle Actuator Position Performance. has new throttle body and harness also checked grounds cleaned ground g104 has 5 volt reference on both wires at throttle body and tac module tps signal wires at throttle body and tac module sweep fine on lab scope up to 5 volts when reduced power light co... |
August 14, 2019 |
