Engine-Codes - Lexus - B1241 LEXUS

B1241 LEXUS - Body ECU Switch Circuit Diagnosis

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?

B1241 LEXUS Possible Causes

  • Faulty Power Window Regulator Master Switch Assembly
  • Power Window Regulator Master Switch Assembly harness is open or shorted
  • Power Window Regulator Master Switch Assembly circuit poor electrical connection
  • Faulty Body ECU

How do I fix code B1241 LEXUS

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's pins.

Cost of diagnosing the B1241 LEXUS code

Labor: 1.0

The cost of diagnosing the B1241 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.

Possible Symptoms

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

B1241 LEXUS Meaning

The Diagnostic Trouble Code (DTC) B1241 code notifies how the door control switches on the master switch assembly and passenger side door work. If this DTC is not output when one of the switches is operated, switch contact is faulty. If this DTC is output
when neither switch is operated, one of the switches is in the lock/unlock position (ON) or stuck. When a malfunction is detected in these switches, inspect each switch. Then, replace the malfunctioning switch if necessary. If no malfunction is detected in these switches, check the wire harness and body ECU.

B1241 LEXUS More Information

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