CAL High-Security Automotive Keys 3

Question 1

Which Honda/Acura transponder system introduced the 46 chip (PCF7936) and requires an OBD bypass or EEPROM dump to clone because it is crypto-protected?

Accepted Answer

Honda Ignition Security System (HISS)

Answer

Honda's HISS (Honda Ignition Security System) on motorcycles and the similar system on cars uses crypto-locked transponders that typically require OBD tools or EEPROM work to add new keys.

Question 2

A locksmith needs to program a new key to a 2015 Toyota Camry with no working keys present. Which approach is most likely required?

Accepted Answer

Using a professional key programmer with OBD PIN extraction or smart EEPROM bypass

Answer

Toyota's 'all keys lost' scenario requires a professional device to extract the immobilizer PIN from the ECU via OBD or EEPROM, then program new keys into the system.

Question 3

What is the function of the 'dealer seed key' in some BMW EWS systems?

Accepted Answer

A special service key used to authorize new key programming sessions

Answer

In BMW EWS systems, a dealer seed key (or ISN code derivation) is used to authenticate the programming session before new keys can be registered to the EWS module.

Question 4

When using an automotive key programmer to perform an EEPROM read, the technician must physically access which component?

Accepted Answer

The BCM, ECM, or immobilizer control module's memory chip

Answer

EEPROM reading requires direct access to the memory chip inside the immobilizer or ECU module, typically involving removal of the module and soldering or clip-on probes.

Question 5

Which frequency do most North American automotive remote key fobs operate on?

Accepted Answer

315 MHz

Answer

Most North American vehicles use 315 MHz for their remote keyless entry (RKE) systems, while European vehicles typically use 433.92 MHz.

(CAL) Certified Automotive Locksmith Practice Test

(CAL) Certified Automotive Locksmith Practice Test

CAL High-Security Automotive Keys 3