Engine-Codes - Chevrolet - P1518 Chevrolet

P1518 Chevrolet Code - Throttle Actuator Control Module Performance

- Code Popularity: 108,221 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P1518 Chevrolet?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other 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
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How to Fix the DTC P1518 Chevrolet?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1518 Chevrolet code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

When is the Code Detected?

The Engine Control Module (ECM) has detected a loss of data or invalid data from the Throttle Actuator Control (TAC)

What are Code Possible Symptoms?

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

What Does the P1518 Chevrolet Code Mean?

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.

P1518 Chevrolet Code - Throttle Actuator Control Module Performance

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