VW Code 06666

06666 Description And Summary :
Diameter in engine coolant fan control module 2, malfunction causes include a bad boost pressure sensor or a vacuum leak in the system camshaft adjustment oil temperature sensor (g277), implausible signal also exhaust gas temperature sensor, bank 1 sensor 5, circuit / open is the final reason of the code.

06666 Possible Causes:

06666 vw fault code may be caused by one or more of the following:

Timing Reference High Resolution Signal A Too Many Pulses
O2 Sensor Heater Circuit Malfunction
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Exhaust Gas Recirculation Sensor B Circuit High
Fuel Rail Pressure Sensor Circuit Malfunction
Injector Circuit Malfunction - Cylinders
Ignition/Distributor Engine Speed Input Circuit Malfunction
Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 06666 Code

Inspect all the connections coolant pump control, circuit / open
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

06666 Fault Code For Volkswagen Vehicles

The fault code 06666 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 06666 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24