C1940 Jaguar Sovereign DTC Code

Jaguar Sovereign Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	Opposed Cylinder Engine
Engine Air Intake Process :	Supercharged Engine

Your Jaguar Sovereign engine control system detects a problem, the computer stores the diagnostic trouble code C1940 in its memory. To figure out what is wrong with your vehicle you must first extract the C1940 DTC For Jaguar Sovereign.

On 1999 and later C1940 Jaguar Sovereign engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.

C1940 Jaguar Sovereign DTC Meaning

C	Chassis Code - Problem is controller area network wiring bus and modules.
1	MFG - Manufacturer Specific
9	Transmission
4	Control Module Throttle Actuator Position Performance
0	Transmission Engaged At High Throttle Angle

When you turn on the ignition, the Service Engine Soon or Check Engine C1940 Jaguar Sovereign light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If C1940 DTC For Jaguar Sovereign so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the C1940!