P1518 CHEVROLET – Throttle Actuator Control Module Performance

P1518 CHEVROLET Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light),No throttle response

P1518 CHEVROLET Possible Causes

Dead or weak battery,Faulty Throttle Actuator Control (TAC) module,Throttle Actuator Control (TAC) module harness is ope or shorted,Throttle Actuator Control (TAC) module circuit poor electrical connection,Check Throttle Actuator Control (TAC) module connector for water

P1518 CHEVROLET Description

The Throttle Actuator Control (TAC) module contains data which is essential for proper TAC operation. The TAC module continuously test the integrity of this data. When the TAC module is unable to write or read data to and from random access memory (RAM), or the TAC module is unable to correctly read data from the flash memory or and internal TAC module processor fault is detected and the Diagnostic Trouble Code (DTC) is set.