B3794

Cruise Control Function Request Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Cruise control does not activate
Cruise control turns off spontaneously
Check Engine light comes on

Causes

Open or short circuit in wiring harness
Cruise control switch malfunction
Problems with the engine control unit (ECU)
Poor contact in connectors

How to Fix

Check wiring harness for damage
Check cruise control switches
Check connectors and contacts
Scan the control unit for other errors
If necessary, replace faulty components

Related codes