Lexus TX Smart Key Service in San Diego County (2024-2026)

The real question is not whether you can skip Lexus of San Diego; it is whether you should. Answer is yes. Your TX runs the Lexus Immobilizer V with server authentication, which we handle with the same professional tools the dealer uses. You will need either two working keys or full ECU access for us to add a spare. Total runs $400 to $700, roughly half what the dealer charges. (619) 876-1271 and we sort it at your location.

Yes, every TX trim including the 550h+ PHEV has a laser-cut emergency blade folded inside the smart key fob. The blade is for emergency door entry, not daily valet use. For valet situations we recommend a second programmed smart key. We carry TX-compatible key stock and can register one on-site so you are not handing over your only fob to a Gaslamp valet stand.

Plan on 45 to 90 minutes on-site. TX500h and TX550h use the same Immobilizer V as the standard TX, but pairing requires a live server connection for VIN-specific authentication. We bring everything needed, including making sure your 12V has enough charge before we start. Hybrid models sometimes need a 12V top-off before the ECU will accept a new key.

Start with this: hold the fob flat against the push-start button while you press the brake. That is the basic proximity recovery built into every TX. Engine fires, your fob just needed a closer signal. Nothing, the immobilizer dropped sync during the swap and needs a professional relearn. We fix this mobile for $150 including diagnostic and reprogramming. (619) 876-1271 and we come to you.