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B1241 Lexus Code - Body ECU Switch Circuit Diagnosis

- Code Popularity: 9,515 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1241 Lexus?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other 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
⚠ Does your Lexus have Safety Recalls? → Check here

How to Fix the DTC B1241 Lexus?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1241 Lexus code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code B1241 Lexus Description

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.

OBDII Code B1241 Lexus - Body ECU Switch Circuit Diagnosis - AutoCodes.com
B1241 Lexus Code - Body ECU Switch Circuit Diagnosis

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Code B1241 Lexus comments

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