Practice Test Geeks(CAL) Certified Automotive Locksmith Practice Test
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Automotive Locksmith Security & Anti-Theft Technologies Flashcards

7 cards from real CAL practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. What is the purpose of a Tiris DST40 transponder in automotive security?

    Answer: It provides a 40-bit encrypted challenge-response authentication used primarily in Ford and Toyota vehicles

    The Texas Instruments DST40 uses a 40-bit proprietary cipher for immobilizer authentication, used in Ford and Toyota among others.

  2. A locksmith is asked to program a proximity key for a vehicle that requires 'pin code extraction.' What does this process involve?

    Answer: Extracting the vehicle's security PIN from the BCM, EEPROM, or via OBD-II to authorize new key programming

    Pin code extraction retrieves the vehicle's security access code from the BCM or EEPROM, which is needed to authorize programming a new key.

  3. Which transponder type is commonly referred to as a 'glass transponder' and why?

    Answer: A transponder encased in a glass tube, typically embedded in the key head or fob

    Glass transponders are passive RFID chips sealed inside a small glass tube, typically implanted in the plastic head of a vehicle key.

  4. What is the main difference between ID46 and ID47 transponders?

    Answer: ID46 uses PCF7936 with a 128-bit rolling code while ID47 uses AES-128 encryption

    ID46 (PCF7936) uses a 128-bit rolling cipher, while ID47 is a newer generation using stronger AES-128 encryption for enhanced security.

  5. When a vehicle is in 'anti-theft lockout mode' after multiple failed key attempts, what is the recommended first step for a locksmith?

    Answer: Wait for the lockout timer to expire or consult OEM procedures for resetting the security system

    Most OEM systems impose a timed lockout that clears automatically; jumping ahead with invasive methods risks permanently locking the ECU.

  6. What is a 'token' in the context of BMW CAS (Car Access System) key programming?

    Answer: A one-time-use authorization credit consumed each time a new key is programmed to the CAS module

    BMW CAS modules use a finite number of programming tokens; each new key programming session consumes one, limiting total keys that can ever be programmed.

  7. Which of the following vehicle security systems uses ultrasonic interior sensing as a primary detection method?

    Answer: Aftermarket alarm systems with interior motion protection

    Many aftermarket alarm systems include ultrasonic sensors that detect movement or sound waves inside the cabin as a secondary theft deterrent.