Engine-Codes - Buick - P1523 BUICK

P1523 BUICK - Electronic Throttle Control Throttle Return

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

P1523 BUICK Possible Causes

  • Dead or weak battery
  • Faulty Throttle Actuator Control (TAC) module
  • Throttle Actuator Control (TAC) module harness is open or shorted
  • Throttle Actuator Control (TAC) module circuit poor electrical connection

How is the P1523 BUICK code repair?

Start by checking 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's pins.

What is the cost to diagnose the P1523 BUICK code

Labor: 1.0

The cost to diagnose the P1523 BUICK code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
How much do you know about cars?

Take the AutoCodes.com automotive tests and turbo-charge your car repair knowledge

Play Now

Possible Symptoms

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

P1523 BUICK Meaning

The Throttle Actuator Control (TAC) module contains data which is essential for proper TAC operation. The TAC module continuously tests 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.

More Information

Need more information on how to fix the P1523 BUICK code?
Get Access to Factory Service Manuals

Need more help?

Get the P1523 Buick code diagnosed by a professional: Find a repair shop in your area