P1520 LEXUS - Stop Lamp Switch Malfunction

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

P1520 LEXUS Possible Causes

  • Faulty Stop Light Switch
  • Stop Light Switch harness is open or shorted
  • Stop Light Switch circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

First diagnose P1520 LEXUS 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 P1520 LEXUS code

    Labor: 1.0

    The cost of diagnosing the P1520 LEXUS 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.

P1520 LEXUS Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1520 LEXUS Meaning

This signal is used to detect when the brakes have been applied. The STP signal voltage is the same as the voltage supplied to the stop lights. The STP signal is used mainly to control the fuel cut–off engine speed (The fuel cut–off engine speed is reduced slightly when the vehicle is braking).
OBDII Code P1520 LEXUS - Stop Lamp Switch Malfunction - Engine-Codes.com

P1520 LEXUS More Information

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