Roof Lock Switch Malfunction
Table of contents
B2520 LEXUS Possible Causes
- Faulty Roof Lock Switch
- Roof Lock Switch harness is open or shorted
- Roof Lock Switch circuit poor electrical connection
- Faulty Sliding Roof Control ECU
How do I fix code B2520 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 B2520 LEXUS code
The cost of diagnosing the B2520 LEXUS code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B2520 LEXUS Description
The roof lock switch is located at the roof lock portion of the roof panel front edge. The roof lock switch detects the lock/unlock condition of the roof header lock assembly when the roof panel is fully closed and the lock/unlock condition of the roof holding assembly when the roof panel is fully open. The roof lock switch is turned ON when the roof lock is locked and turned OFF when it is unlocked.