Vehicle and workshop
- Vehicle make and model
- Toyota Alphard
- Service category
- General Auto Repair
- Workshop
- Sri Kuching Car Audio & Air Cond Service Centre, Taman Mastiara, Kuala Lumpur
Customer concern or upgrade request
Headlight system warnings were linked to LED cooling fan faults on both front lamps.
Inspection and diagnosis
Scanning confirmed B2490 for the left LED fan circuit and B2491 for the right LED fan circuit.
Repair and upgrade work
The vehicle displayed headlight system warnings linked to LED cooling fan faults on both front lamps. Diagnostic scanning confirmed fault codes B2490 (left LED fan circuit) and B2491 (right LED fan circuit). We repaired the front headlamp assemblies to restore proper LED cooling and headlight system operation.
- Headlight system fault diagnosis (B2490 / B2491)
- Front headlamp disassembly and LED fan circuit repair
- System function test and warning light verification
Testing and verification
After headlamp disassembly and LED fan circuit repair, the workshop checked system function and warning lights. No further headlight malfunction messages were recorded.
Documented outcome
Both headlamp LED fan circuits repaired, headlight system warnings cleared, and full lighting performance restored. No further headlight malfunction messages on the instrument cluster.
Other workshop support
ADAS calibration also available: front radar, recognition camera, PCS, RSA, ICS, BSM, and RCTA
Explore ADAS calibration servicesWorkshop photo gallery
3 workshop photos documenting this Toyota Alphard case. Select a photo to enlarge it.
Questions about this Toyota Alphard case
What were B2490 and B2491 in this Alphard headlamp case?
The workshop identified B2490 as the left LED fan circuit fault and B2491 as the right LED fan circuit fault.
Were complete headlamp replacements documented?
The record describes front headlamp disassembly and LED fan circuit repairs. It does not list replacement of the complete headlamp assemblies.






