Renault Nissan ISK Security Code Reading

Supported coding features by RenCOM diagnostic tool https://www.obdtester.com/rencom

ISK Security Code Reading

What it does

• Reads the ISK (Immobilizer Security Key) code from the vehicle
• Provides security access for immobilizer-related functions
• Enables key programming, ECU pairing, and immobilizer operations

When it is required

• Before programming new keys or key cards
• Before immobilizer or ECU pairing
• After replacement of BCM/UCH, ECU, or immobilizer components
• When immobilizer-related procedures require security authorization

Conditions that must be met

• Vehicle stationary
• Ignition ON or OFF as required by diagnostic tool
• Stable battery voltage
• Diagnostic tool connected
• Authorized diagnostic access

What happens during ISK code reading

• Vehicle security system is accessed
• ISK code is retrieved from control unit
• Code is displayed or stored for subsequent procedures
• Temporary security session may be opened

If ISK code is not available

• Key programming cannot be completed
• Immobilizer pairing is blocked
• Security-related functions remain inaccessible

After ISK code reading

• Safely store the ISK code
• Proceed with required immobilizer or key programming
• Close security session if required
• Clear any related fault codes

Coverage in RenCOM