When a EST Fails to Validate a Handshake with a Module

question 1

Multiple Choice

When a EST fails to validate a handshake with a module what is the first step the technician should perform?

• A) Check the functionality of the EST and the connection cables.
• B) Reboot the PCM and attempt the handshake again.
• C) Start a databus diagnostic routine.
• D) Remove the module and diagnose.

---

Definitions:

Uncertainty

The state of having limited knowledge where it is impossible to exactly describe the existing state, a future outcome, or more than one possible outcome.

Quality Communication

The effective and efficient conveyance of information, ensuring clarity, accuracy, and understanding between parties.

Market Signaling

The process by which sellers communicate information to buyers to influence their perceptions and decisions, often related to the quality of a product or service.

Ski Slope

A graded and usually groomed path down a mountainside for snow skiing, snowboarding, or other mountain sports.