P1523 - Electronic Throttle Control Throttle Return

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What does this mean?

P1523 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

First diagnose P1523 code

    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 terminals.

Cost of diagnosing the P1523 code

    Labor: 1.0

    The cost of diagnosing the P1523 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.

P1523 Possible Symptoms

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

P1523 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.
OBDII Code P1523 - Electronic Throttle Control Throttle Return - Engine-Codes.com

P1523 More Information

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P1523 Information for specific makes

  • P1523 ACURA Brake Booster Pressure Sensor Circuit High Voltage
  • P1523 AUDI Crash Signal From Airbag Control Module Implausible Signal
  • P1523 BMW Camshaft Position Actuator 'A' Signal Low Bank 1
  • P1523 BUICK Electronic Throttle Control Throttle Return
  • P1523 CADILLAC Electronic Throttle Control Throttle Return
  • P1523 CHEVROLET Electronic Throttle Control Throttle Return
  • P1523 GMC Electronic Throttle Control Throttle Return
  • P1523 HONDA Brake Booster Pressure Sensor Circuit High Voltage
  • P1523 HYUNDAI Electronic Throttle Control System Malfunction Power Management   
  • P1523 ISUZU Electronic Throttle Control Throttle Return
  • P1523 KIA VICS Solenoid Valve
  • P1523 MAZDA Intake Manifold Air Control Solenoid Circuit Malfunction
  • P1523 MINI Camshaft Position Actuator 'A' Signal Low Bank 1
  • P1523 VOLKSWAGEN Crash Signal From Airbag Control Module Implausible Signal

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