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Home >> Suzuki >> 2007 >> Reno Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine - Diagnostic Codes (4 Of 4) >> DTC P1516: Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance >> Test Description
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Test Description

Number(s) below refer to the step number(s) on the Diagnostic Table.

  1. If the TP Indicated angle does not follow the movement of the throttle plate and no TP Sensor DTCs are set, there is a mechanical condition with the throttle shaft or the TP sensor.
  2. When the ECM detects a condition within the TAC system, more than 1 TAC system related DTC may set. This is due to the many redundant tests that run continuously on this system. Locating and repairing 1 individual condition may correct more than 1 DTC. Disconnecting components during testing may set additional DTCs. Keep this in mind when reviewing the Capture Info.
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